Regenerate example files with blank lines between subject blocks.

2026-02-28 19:26:47 +01:00 · 2026-02-28 19:26:47 +01:00 · 87e6ca0000
commit 87e6ca0000
parent 28eb1e7cfd
8 changed files with 384 additions and 0 deletions
--- a/data_examples/step_01_1hop.ttl
+++ b/data_examples/step_01_1hop.ttl
@ -30,12 +30,14 @@ person:AbeIre-00 a migrants:person ;
 	personp:SNAC "https://snaccooperative.org/ark:/99166/w6bt189x#resources" ;
 	personp:Source "Karl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, pp. 3-4. \nWiener Staatsoper: Aufführungsarchiv,  https://archiv.wiener-staatsoper.at/search/person/7243\nFremdenblatt - Organ für die böhmischen Kurorte, 8th July 1888, p. 2: https://anno.onb.ac.at/cgi-content/anno?aid=fbl&amp;datum=18880708&amp;query=%22Abendroth+Karlsbad%22~25&amp;ref=anno-search&amp;seite=2\n\n" ;
 	personp:Importsource "Own" .
 migrants:migration_table\/5 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "5" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:UA-Lv-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:IT-Mila-00 ;
 	migrants:migration_table\#reason "Education" .
 migrants:migration_table\/6 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "6" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
@ -45,6 +47,7 @@ migrants:migration_table\/6 a migrants:migration_table ;
 	migrants:migration_table\#DateStart_Min "1889-01-01" ;
 	migrants:migration_table\#DateStart_Max "1889-12-31" ;
 	migrants:migration_table\#reason "Labour" .
 migrants:migration_table\/7 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "7" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
@ -54,6 +57,7 @@ migrants:migration_table\/7 a migrants:migration_table ;
 	migrants:migration_table\#DateStart_Min "1890-01-01" ;
 	migrants:migration_table\#DateStart_Max "1890-12-31" ;
 	migrants:migration_table\#reason "Labour" .
 migrants:migration_table\/8 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "8" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
@ -63,6 +67,7 @@ migrants:migration_table\/8 a migrants:migration_table ;
 	migrants:migration_table\#DateStart_Min "1891-01-01" ;
 	migrants:migration_table\#DateStart_Max "1891-12-31" ;
 	migrants:migration_table\#reason "Labour" .
 migrants:migration_table\/9 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "9" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
@ -72,6 +77,7 @@ migrants:migration_table\/9 a migrants:migration_table ;
 	migrants:migration_table\#DateStart_Min "1894-01-01" ;
 	migrants:migration_table\#DateStart_Max "1894-12-31" ;
 	migrants:migration_table\#reason "Labour" .
 migrants:migration_table\/10 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "10" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
@ -81,6 +87,7 @@ migrants:migration_table\/10 a migrants:migration_table ;
 	migrants:migration_table\#DateStart_Min "1899-01-01" ;
 	migrants:migration_table\#DateStart_Max "1899-12-31" ;
 	migrants:migration_table\#reason "Labour" .
 migrants:migration_table\/11 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "11" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
@ -90,18 +97,21 @@ migrants:migration_table\/11 a migrants:migration_table ;
 	migrants:migration_table\#DateStart_Min "1909-01-01" ;
 	migrants:migration_table\#DateStart_Max "1909-12-31" ;
 	migrants:migration_table\#reason "Labour" .
 migrants:migration_table\/2114 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "2114" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#reason "Education" .
 migrants:migration_table\/2117 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "2117" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:CZ-Karlsb-00 ;
 	migrants:migration_table\#reason "Labour" .
 migrants:migration_table\/2118 a migrants:migration_table ;
 	migrants:migration_table\#IDMig "2118" ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
@ -111,10 +121,12 @@ migrants:migration_table\/2118 a migrants:migration_table ;
 	migrants:migration_table\#DateStart_Min "1909-01-01" ;
 	migrants:migration_table\#DateStart_Max "1909-12-31" ;
 	migrants:migration_table\#reason "Other" .
 migrants:person_profession\/5120 a migrants:person_profession ;
 	migrants:person_profession\#IDProfPerson "5120" ;
 	migrants:person_profession\#ref-IDPerson person:AbeIre-00 ;
 	migrants:person_profession\#profession "Singer" .
 migrants:relationship\/2 a migrants:relationship ;
 	migrants:relationship\#IDRel "2" ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
@ -123,6 +135,7 @@ migrants:relationship\/2 a migrants:relationship ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#Timeperiod "" ;
 	migrants:relationship\#comment "" .
 migrants:relationship\/3 a migrants:relationship ;
 	migrants:relationship\#IDRel "3" ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
@ -130,39 +143,46 @@ migrants:relationship\/3 a migrants:relationship ;
 	migrants:relationship\#Relationshiptype "" ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#comment "" .
 migrants:relationship\/38 a migrants:relationship ;
 	migrants:relationship\#IDRel "38" ;
 	migrants:relationship\#ref-IDPerson_active person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 .
 migrants:relationship\/93 a migrants:relationship ;
 	migrants:relationship\#IDRel "93" ;
 	migrants:relationship\#ref-IDPerson_active person:WilAur-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#Relationshiptype "" .
 migrants:relationship\/16834 a migrants:relationship ;
 	migrants:relationship\#IDRel "16834" ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:LamFra-00 ;
 	migrants:relationship\#Relationshiptype "" ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 .
 migrants:relationship\/16839 a migrants:relationship ;
 	migrants:relationship\#IDRel "16839" ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeMir-00 ;
 	migrants:relationship\#Relationshiptype "" ;
 	migrants:relationship\#relationshiptype_precise "Sister" .
 migrants:relationship\/16844 a migrants:relationship ;
 	migrants:relationship\#IDRel "16844" ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:CamCle-00 ;
 	migrants:relationship\#Relationshiptype "" ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 .
 migrants:relationship\/21686 a migrants:relationship ;
 	migrants:relationship\#IDRel "21686" ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#Relationshiptype "" ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 .
 work:1 a migrants:work ;
 	workp:IDWork "1" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -175,6 +195,7 @@ work:1 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "" .
 work:2 a migrants:work ;
 	workp:IDWork "2" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -187,6 +208,7 @@ work:2 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "" .
 work:3 a migrants:work ;
 	workp:IDWork "3" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -201,6 +223,7 @@ work:3 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "" .
 work:4 a migrants:work ;
 	workp:IDWork "4" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -215,6 +238,7 @@ work:4 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "" .
 work:5 a migrants:work ;
 	workp:IDWork "5" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -229,6 +253,7 @@ work:5 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "" .
 work:6 a migrants:work ;
 	workp:IDWork "6" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -243,6 +268,7 @@ work:6 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "she left Vienna because of disagreements with Gustav Mahler (Director" .
 work:7 a migrants:work ;
 	workp:IDWork "7" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -257,6 +283,7 @@ work:7 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "Between 1905 and 1907 guest engagements at Berliner Hofoper" .
 work:8 a migrants:work ;
 	workp:IDWork "8" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -271,6 +298,7 @@ work:8 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "" .
 work:9 a migrants:work ;
 	workp:IDWork "9" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -283,6 +311,7 @@ work:9 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "" .
 work:10 a migrants:work ;
 	workp:IDWork "10" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
@ -295,6 +324,7 @@ work:10 a migrants:work ;
 	workp:Profession "Singer" ;
 	workp:EmploymentType "Tour" ;
 	workp:comment "" .
 work:11 a migrants:work ;
 	workp:IDWork "11" ;
 	workp:ref-IDPerson person:AbeIre-00 ;
--- a/data_examples/step_01_2hop.ttl
+++ b/data_examples/step_01_2hop.ttl
@ -8,8 +8,10 @@
@prefix migrants: <http://example.org/migrants/> .
 migrants:ImportSource-Own rdfs:label "Own"@en ;
 	a migrants:ImportSource .
 migrants:Gender-female rdfs:label "female"@en ;
 	a migrants:Gender .
 person:AbeIre-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:Source "Karl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, pp. 3-4. \nWiener Staatsoper: Aufführungsarchiv,  https://archiv.wiener-staatsoper.at/search/person/7243\nFremdenblatt - Organ für die böhmischen Kurorte, 8th July 1888, p. 2: https://anno.onb.ac.at/cgi-content/anno?aid=fbl&amp;datum=18880708&amp;query=%22Abendroth+Karlsbad%22~25&amp;ref=anno-search&amp;seite=2\n\n" ;
@ -34,6 +36,7 @@ person:AbeIre-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Irene" ;
 	personp:IDPerson "AbeIre-00" ;
 	a migrants:person .
 work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Deutsches Theater Prag" ;
@ -45,6 +48,7 @@ work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "11" ;
 	a migrants:work .
 work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -57,6 +61,7 @@ work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "10" ;
 	a migrants:work .
 work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -69,6 +74,7 @@ work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "9" ;
 	a migrants:work .
 work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -83,6 +89,7 @@ work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "8" ;
 	a migrants:work .
 work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Between 1905 and 1907 guest engagements at Berliner Hofoper" ;
@ -97,6 +104,7 @@ work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "7" ;
 	a migrants:work .
 work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "she left Vienna because of disagreements with Gustav Mahler (Director" ;
@ -111,6 +119,7 @@ work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "6" ;
 	a migrants:work .
 work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -125,6 +134,7 @@ work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "5" ;
 	a migrants:work .
 work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -139,6 +149,7 @@ work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "4" ;
 	a migrants:work .
 work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -153,6 +164,7 @@ work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "3" ;
 	a migrants:work .
 work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -165,6 +177,7 @@ work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "2" ;
 	a migrants:work .
 work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -177,39 +190,46 @@ work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "1" ;
 	a migrants:work .
 migrants:relationship\/21686 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "21686" ;
 	a migrants:relationship .
 migrants:relationship\/16844 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:CamCle-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16844" ;
 	a migrants:relationship .
 migrants:relationship\/16839 migrants:relationship\#relationshiptype_precise migrants:RelationshipTypePrecise-Sister ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeMir-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16839" ;
 	a migrants:relationship .
 migrants:relationship\/16834 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:LamFra-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16834" ;
 	a migrants:relationship .
 migrants:relationship\/93 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:WilAur-00 ;
 	migrants:relationship\#IDRel "93" ;
 	a migrants:relationship .
 migrants:relationship\/38 migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:MamEmm-00 ;
 	migrants:relationship\#IDRel "38" ;
 	a migrants:relationship .
 migrants:relationship\/3 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
@ -217,6 +237,7 @@ migrants:relationship\/3 migrants:relationship\#Relationshiptype migrants:Relati
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "3" ;
 	a migrants:relationship .
 migrants:relationship\/2 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#Timeperiod "" ;
@ -225,10 +246,12 @@ migrants:relationship\/2 migrants:relationship\#Relationshiptype migrants:Relati
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "2" ;
 	a migrants:relationship .
 migrants:person_profession\/5120 migrants:person_profession\#profession "Singer" ;
 	migrants:person_profession\#ref-IDPerson person:AbeIre-00 ;
 	migrants:person_profession\#IDProfPerson "5120" ;
 	a migrants:person_profession .
 migrants:migration_table\/2118 migrants:migration_table\#reason migrants:MigrationReason-Other ;
 	migrants:migration_table\#DateStart_Max "1909-12-31" ;
 	migrants:migration_table\#DateStart_Min "1909-01-01" ;
@ -238,18 +261,21 @@ migrants:migration_table\/2118 migrants:migration_table\#reason migrants:Migrati
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2118" ;
 	a migrants:migration_table .
 migrants:migration_table\/2117 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#ref-IDDestPlace location:CZ-Karlsb-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2117" ;
 	a migrants:migration_table .
 migrants:migration_table\/2114 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2114" ;
 	a migrants:migration_table .
 migrants:migration_table\/11 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1909-12-31" ;
 	migrants:migration_table\#DateStart_Min "1909-01-01" ;
@ -259,6 +285,7 @@ migrants:migration_table\/11 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "11" ;
 	a migrants:migration_table .
 migrants:migration_table\/10 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1899-12-31" ;
 	migrants:migration_table\#DateStart_Min "1899-01-01" ;
@ -268,6 +295,7 @@ migrants:migration_table\/10 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "10" ;
 	a migrants:migration_table .
 migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1894-12-31" ;
 	migrants:migration_table\#DateStart_Min "1894-01-01" ;
@ -277,6 +305,7 @@ migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "9" ;
 	a migrants:migration_table .
 migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1891-12-31" ;
 	migrants:migration_table\#DateStart_Min "1891-01-01" ;
@ -286,6 +315,7 @@ migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "8" ;
 	a migrants:migration_table .
 migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1890-12-31" ;
 	migrants:migration_table\#DateStart_Min "1890-01-01" ;
@ -295,6 +325,7 @@ migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "7" ;
 	a migrants:migration_table .
 migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1889-12-31" ;
 	migrants:migration_table\#DateStart_Min "1889-01-01" ;
@ -304,18 +335,21 @@ migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "6" ;
 	a migrants:migration_table .
 migrants:migration_table\/5 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:UA-Lv-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "5" ;
 	a migrants:migration_table .
 migrants:organisation\/79 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:CZ-Prag-00 ;
 	migrants:organisation\#inst_name "Deutsches Theater Prag" ;
 	migrants:organisation\#IDOrganisation "79" ;
 	a migrants:organisation .
 location:CZ-Prag-00 locationp:City migrants:City-Prague ;
 	locationp:Country migrants:Country-CzechRepublic ;
 	locationp:Continent migrants:Continent-Europe ;
@ -326,12 +360,14 @@ location:CZ-Prag-00 locationp:City migrants:City-Prague ;
 	locationp:latitude "50.0833" ;
 	locationp:IDLocation "CZ-Prag-00" ;
 	a migrants:location .
 migrants:organisation\/78 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-Leip-00 ;
 	migrants:organisation\#inst_name "Oper Leipzig" ;
 	migrants:organisation\#IDOrganisation "78" ;
 	a migrants:organisation .
 location:GER-Leip-00 locationp:City migrants:City-Leipzig ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -342,12 +378,14 @@ location:GER-Leip-00 locationp:City migrants:City-Leipzig ;
 	locationp:latitude "51.3333" ;
 	locationp:IDLocation "GER-Leip-00" ;
 	a migrants:location .
 migrants:organisation\/77 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-Ffm-00 ;
 	migrants:organisation\#inst_name "Oper Frankfurt" ;
 	migrants:organisation\#IDOrganisation "77" ;
 	a migrants:organisation .
 location:GER-Ffm-00 locationp:City migrants:City-Frankfurt ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -358,12 +396,14 @@ location:GER-Ffm-00 locationp:City migrants:City-Frankfurt ;
 	locationp:latitude "50.1167" ;
 	locationp:IDLocation "GER-Ffm-00" ;
 	a migrants:location .
 migrants:organisation\/76 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-STR-00 ;
 	migrants:organisation\#inst_name "Hofoper Stuttgart" ;
 	migrants:organisation\#IDOrganisation "76" ;
 	a migrants:organisation .
 location:GER-STR-00 locationp:City migrants:City-Stuttgart ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -374,12 +414,14 @@ location:GER-STR-00 locationp:City migrants:City-Stuttgart ;
 	locationp:latitude "48.782" ;
 	locationp:IDLocation "GER-STR-00" ;
 	a migrants:location .
 migrants:organisation\/75 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-BER-00 ;
 	migrants:organisation\#inst_name "Königliche Oper, Berlin" ;
 	migrants:organisation\#IDOrganisation "75" ;
 	a migrants:organisation .
 location:GER-BER-00 locationp:City migrants:City-Berlin ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -390,32 +432,39 @@ location:GER-BER-00 locationp:City migrants:City-Berlin ;
 	locationp:latitude "52.52" ;
 	locationp:IDLocation "GER-BER-00" ;
 	a migrants:location .
 migrants:organisation\/450 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-Dresd-00 ;
 	migrants:organisation\#inst_name "Hofoper Dresden" ;
 	migrants:organisation\#IDOrganisation "450" ;
 	a migrants:organisation .
 migrants:organisation\/73 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-MUC-00 ;
 	migrants:organisation\#inst_name "Königl. Hoftheater in München" ;
 	migrants:organisation\#IDOrganisation "73" ;
 	a migrants:organisation .
 migrants:organisation\/72 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#inst_name "Oper Riga" ;
 	migrants:organisation\#IDOrganisation "72" ;
 	a migrants:organisation .
 migrants:organisation\/71 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#inst_name "Hofoper Wien" ;
 	migrants:organisation\#IDOrganisation "71" ;
 	a migrants:organisation .
 migrants:EmploymentType-Tour rdfs:label "Tour"@en ;
 	a migrants:EmploymentType .
 migrants:Profession-Singer rdfs:label "Singer"@en ;
 	a migrants:Profession .
 person:CamCle-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:imageURL "https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png" ;
@ -423,8 +472,10 @@ person:CamCle-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Cleofonte" ;
 	personp:IDPerson "CamCle-00" ;
 	a migrants:person .
 migrants:RelationshipTypePrecise-Sister rdfs:label "Sister"@en ;
 	a migrants:RelationshipTypePrecise .
 person:AbeMir-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:imageURL "https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png" ;
@ -432,6 +483,7 @@ person:AbeMir-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Mira" ;
 	personp:IDPerson "AbeMir-00" ;
 	a migrants:person .
 person:LamFra-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-male ;
 	personp:imageURL "https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png" ;
@ -439,6 +491,7 @@ person:LamFra-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Francesco Lamperti" ;
 	personp:IDPerson "LamFra-00" ;
 	a migrants:person .
 person:WilAur-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:Source "Andrea Harrandt: Jäger (-Wilczek), Familie, in: Oesterreichisches Musiklexikon. Online-Ausgabe, Wien 2002 ff., OEML: http://www.musiklexikon.ac.at/ml/musik_J/Jaeger_Familie_2.xmlKarl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, p. 2217.&nbsp;Ludwig Eisenberg: Großes biographisches Lexikon der deutschen Bühne im XIX. Jahrhundert.&nbsp; Leipzig: List 1903, pp. 468- 469." ;
@ -461,8 +514,10 @@ person:WilAur-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Aurelie" ;
 	personp:IDPerson "WilAur-00" ;
 	a migrants:person .
 migrants:RelationshipType- rdfs:label ""@en ;
 	a migrants:RelationshipType .
 person:MamEmm-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:CERL "https://data.cerl.org/thesaurus/cnp01075147" ;
@ -482,8 +537,10 @@ person:MamEmm-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Emma" ;
 	personp:IDPerson "MamEmm-00" ;
 	a migrants:person .
 migrants:MigrationReason-Other rdfs:label "Other"@en ;
 	a migrants:MigrationReason .
 location:AT-Weid-00 locationp:City migrants:City-Weidling ;
 	locationp:State migrants:State-Statzendorf ;
 	locationp:Country migrants:Country-Austria ;
@ -493,6 +550,7 @@ location:AT-Weid-00 locationp:City migrants:City-Weidling ;
 	locationp:latitude "48.3081" ;
 	locationp:IDLocation "AT-Weid-00" ;
 	a migrants:location .
 location:GER-Dresd-00 locationp:City migrants:City-Dresden ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -503,6 +561,7 @@ location:GER-Dresd-00 locationp:City migrants:City-Dresden ;
 	locationp:latitude "51.05" ;
 	locationp:IDLocation "GER-Dresd-00" ;
 	a migrants:location .
 location:GER-MUC-00 locationp:City migrants:City-Munich ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -513,6 +572,7 @@ location:GER-MUC-00 locationp:City migrants:City-Munich ;
 	locationp:latitude "48.1333" ;
 	locationp:IDLocation "GER-MUC-00" ;
 	a migrants:location .
 location:LV-RIX-00 locationp:City migrants:City-Riga ;
 	locationp:Country migrants:Country-Latvia ;
 	locationp:Continent migrants:Continent-Europe ;
@ -523,8 +583,10 @@ location:LV-RIX-00 locationp:City migrants:City-Riga ;
 	locationp:latitude "56.9489" ;
 	locationp:IDLocation "LV-RIX-00" ;
 	a migrants:location .
 migrants:MigrationReason-Labour rdfs:label "Labour"@en ;
 	a migrants:MigrationReason .
 location:AT-VIE-00 locationp:City migrants:City-Vienna ;
 	locationp:Country migrants:Country-Austria ;
 	locationp:Continent migrants:Continent-Europe ;
@ -535,6 +597,7 @@ location:AT-VIE-00 locationp:City migrants:City-Vienna ;
 	locationp:latitude "48.21" ;
 	locationp:IDLocation "AT-VIE-00" ;
 	a migrants:location .
 location:CZ-Karlsb-00 locationp:City migrants:City-KarlovyVary ;
 	locationp:Country migrants:Country-CzechRepublic ;
 	locationp:Continent migrants:Continent-Europe ;
@ -545,8 +608,10 @@ location:CZ-Karlsb-00 locationp:City migrants:City-KarlovyVary ;
 	locationp:latitude "50.2306" ;
 	locationp:IDLocation "CZ-Karlsb-00" ;
 	a migrants:location .
 migrants:MigrationReason-Education rdfs:label "Education"@en ;
 	a migrants:MigrationReason .
 location:IT-Mila-00 locationp:City migrants:City-Milan ;
 	locationp:Country migrants:Country-Italy ;
 	locationp:Continent migrants:Continent-Europe ;
@ -557,6 +622,7 @@ location:IT-Mila-00 locationp:City migrants:City-Milan ;
 	locationp:latitude "45.4669" ;
 	locationp:IDLocation "IT-Mila-00" ;
 	a migrants:location .
 location:UA-Lv-00 locationp:City migrants:City-Lviv ;
 	locationp:Country migrants:Country-Ukraine ;
 	locationp:Continent migrants:Continent-Europe ;
--- a/data_examples/step_02_1hop.ttl
+++ b/data_examples/step_02_1hop.ttl
@ -30,6 +30,7 @@ person:AbeIre-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Irene" ;
 	personp:IDPerson "AbeIre-00" ;
 	a migrants:person .
 work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Deutsches Theater Prag" ;
@ -41,6 +42,7 @@ work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "11" ;
 	a migrants:work .
 work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -53,6 +55,7 @@ work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "10" ;
 	a migrants:work .
 work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -65,6 +68,7 @@ work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "9" ;
 	a migrants:work .
 work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -79,6 +83,7 @@ work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "8" ;
 	a migrants:work .
 work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Between 1905 and 1907 guest engagements at Berliner Hofoper" ;
@ -93,6 +98,7 @@ work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "7" ;
 	a migrants:work .
 work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "she left Vienna because of disagreements with Gustav Mahler (Director" ;
@ -107,6 +113,7 @@ work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "6" ;
 	a migrants:work .
 work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -121,6 +128,7 @@ work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "5" ;
 	a migrants:work .
 work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -135,6 +143,7 @@ work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "4" ;
 	a migrants:work .
 work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -149,6 +158,7 @@ work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "3" ;
 	a migrants:work .
 work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -161,6 +171,7 @@ work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "2" ;
 	a migrants:work .
 work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -173,39 +184,46 @@ work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "1" ;
 	a migrants:work .
 migrants:relationship\/21686 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "21686" ;
 	a migrants:relationship .
 migrants:relationship\/16844 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:CamCle-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16844" ;
 	a migrants:relationship .
 migrants:relationship\/16839 migrants:relationship\#relationshiptype_precise migrants:RelationshipTypePrecise-Sister ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeMir-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16839" ;
 	a migrants:relationship .
 migrants:relationship\/16834 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:LamFra-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16834" ;
 	a migrants:relationship .
 migrants:relationship\/93 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:WilAur-00 ;
 	migrants:relationship\#IDRel "93" ;
 	a migrants:relationship .
 migrants:relationship\/38 migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:MamEmm-00 ;
 	migrants:relationship\#IDRel "38" ;
 	a migrants:relationship .
 migrants:relationship\/3 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
@ -213,6 +231,7 @@ migrants:relationship\/3 migrants:relationship\#Relationshiptype migrants:Relati
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "3" ;
 	a migrants:relationship .
 migrants:relationship\/2 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#Timeperiod "" ;
@ -221,10 +240,12 @@ migrants:relationship\/2 migrants:relationship\#Relationshiptype migrants:Relati
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "2" ;
 	a migrants:relationship .
 migrants:person_profession\/5120 migrants:person_profession\#profession "Singer" ;
 	migrants:person_profession\#ref-IDPerson person:AbeIre-00 ;
 	migrants:person_profession\#IDProfPerson "5120" ;
 	a migrants:person_profession .
 migrants:migration_table\/2118 migrants:migration_table\#reason migrants:MigrationReason-Other ;
 	migrants:migration_table\#DateStart_Max "1909-12-31" ;
 	migrants:migration_table\#DateStart_Min "1909-01-01" ;
@ -234,18 +255,21 @@ migrants:migration_table\/2118 migrants:migration_table\#reason migrants:Migrati
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2118" ;
 	a migrants:migration_table .
 migrants:migration_table\/2117 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#ref-IDDestPlace location:CZ-Karlsb-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2117" ;
 	a migrants:migration_table .
 migrants:migration_table\/2114 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2114" ;
 	a migrants:migration_table .
 migrants:migration_table\/11 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1909-12-31" ;
 	migrants:migration_table\#DateStart_Min "1909-01-01" ;
@ -255,6 +279,7 @@ migrants:migration_table\/11 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "11" ;
 	a migrants:migration_table .
 migrants:migration_table\/10 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1899-12-31" ;
 	migrants:migration_table\#DateStart_Min "1899-01-01" ;
@ -264,6 +289,7 @@ migrants:migration_table\/10 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "10" ;
 	a migrants:migration_table .
 migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1894-12-31" ;
 	migrants:migration_table\#DateStart_Min "1894-01-01" ;
@ -273,6 +299,7 @@ migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "9" ;
 	a migrants:migration_table .
 migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1891-12-31" ;
 	migrants:migration_table\#DateStart_Min "1891-01-01" ;
@ -282,6 +309,7 @@ migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "8" ;
 	a migrants:migration_table .
 migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1890-12-31" ;
 	migrants:migration_table\#DateStart_Min "1890-01-01" ;
@ -291,6 +319,7 @@ migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "7" ;
 	a migrants:migration_table .
 migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1889-12-31" ;
 	migrants:migration_table\#DateStart_Min "1889-01-01" ;
@ -300,6 +329,7 @@ migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "6" ;
 	a migrants:migration_table .
 migrants:migration_table\/5 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:UA-Lv-00 ;
--- a/data_examples/step_02_2hop.ttl
+++ b/data_examples/step_02_2hop.ttl
@ -8,8 +8,10 @@
@prefix migrants: <http://example.org/migrants/> .
 migrants:ImportSource-Own rdfs:label "Own"@en ;
 	a migrants:ImportSource .
 migrants:Gender-female rdfs:label "female"@en ;
 	a migrants:Gender .
 person:AbeIre-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:Source "Karl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, pp. 3-4. \nWiener Staatsoper: Aufführungsarchiv,  https://archiv.wiener-staatsoper.at/search/person/7243\nFremdenblatt - Organ für die böhmischen Kurorte, 8th July 1888, p. 2: https://anno.onb.ac.at/cgi-content/anno?aid=fbl&amp;datum=18880708&amp;query=%22Abendroth+Karlsbad%22~25&amp;ref=anno-search&amp;seite=2\n\n" ;
@ -34,6 +36,7 @@ person:AbeIre-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Irene" ;
 	personp:IDPerson "AbeIre-00" ;
 	a migrants:person .
 work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Deutsches Theater Prag" ;
@ -45,6 +48,7 @@ work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "11" ;
 	a migrants:work .
 work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -57,6 +61,7 @@ work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "10" ;
 	a migrants:work .
 work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -69,6 +74,7 @@ work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "9" ;
 	a migrants:work .
 work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -83,6 +89,7 @@ work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "8" ;
 	a migrants:work .
 work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Between 1905 and 1907 guest engagements at Berliner Hofoper" ;
@ -97,6 +104,7 @@ work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "7" ;
 	a migrants:work .
 work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "she left Vienna because of disagreements with Gustav Mahler (Director" ;
@ -111,6 +119,7 @@ work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "6" ;
 	a migrants:work .
 work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -125,6 +134,7 @@ work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "5" ;
 	a migrants:work .
 work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -139,6 +149,7 @@ work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "4" ;
 	a migrants:work .
 work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -153,6 +164,7 @@ work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "3" ;
 	a migrants:work .
 work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -165,6 +177,7 @@ work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "2" ;
 	a migrants:work .
 work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "" ;
@ -177,39 +190,46 @@ work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:ref-IDPerson person:AbeIre-00 ;
 	workp:IDWork "1" ;
 	a migrants:work .
 migrants:relationship\/21686 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "21686" ;
 	a migrants:relationship .
 migrants:relationship\/16844 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:CamCle-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16844" ;
 	a migrants:relationship .
 migrants:relationship\/16839 migrants:relationship\#relationshiptype_precise migrants:RelationshipTypePrecise-Sister ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeMir-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16839" ;
 	a migrants:relationship .
 migrants:relationship\/16834 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:LamFra-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "16834" ;
 	a migrants:relationship .
 migrants:relationship\/93 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:WilAur-00 ;
 	migrants:relationship\#IDRel "93" ;
 	a migrants:relationship .
 migrants:relationship\/38 migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:MamEmm-00 ;
 	migrants:relationship\#IDRel "38" ;
 	a migrants:relationship .
 migrants:relationship\/3 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
@ -217,6 +237,7 @@ migrants:relationship\/3 migrants:relationship\#Relationshiptype migrants:Relati
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "3" ;
 	a migrants:relationship .
 migrants:relationship\/2 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#Timeperiod "" ;
@ -225,10 +246,12 @@ migrants:relationship\/2 migrants:relationship\#Relationshiptype migrants:Relati
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#IDRel "2" ;
 	a migrants:relationship .
 migrants:person_profession\/5120 migrants:person_profession\#profession "Singer" ;
 	migrants:person_profession\#ref-IDPerson person:AbeIre-00 ;
 	migrants:person_profession\#IDProfPerson "5120" ;
 	a migrants:person_profession .
 migrants:migration_table\/2118 migrants:migration_table\#reason migrants:MigrationReason-Other ;
 	migrants:migration_table\#DateStart_Max "1909-12-31" ;
 	migrants:migration_table\#DateStart_Min "1909-01-01" ;
@ -238,18 +261,21 @@ migrants:migration_table\/2118 migrants:migration_table\#reason migrants:Migrati
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2118" ;
 	a migrants:migration_table .
 migrants:migration_table\/2117 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#ref-IDDestPlace location:CZ-Karlsb-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2117" ;
 	a migrants:migration_table .
 migrants:migration_table\/2114 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "2114" ;
 	a migrants:migration_table .
 migrants:migration_table\/11 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1909-12-31" ;
 	migrants:migration_table\#DateStart_Min "1909-01-01" ;
@ -259,6 +285,7 @@ migrants:migration_table\/11 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "11" ;
 	a migrants:migration_table .
 migrants:migration_table\/10 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1899-12-31" ;
 	migrants:migration_table\#DateStart_Min "1899-01-01" ;
@ -268,6 +295,7 @@ migrants:migration_table\/10 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "10" ;
 	a migrants:migration_table .
 migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1894-12-31" ;
 	migrants:migration_table\#DateStart_Min "1894-01-01" ;
@ -277,6 +305,7 @@ migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "9" ;
 	a migrants:migration_table .
 migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1891-12-31" ;
 	migrants:migration_table\#DateStart_Min "1891-01-01" ;
@ -286,6 +315,7 @@ migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "8" ;
 	a migrants:migration_table .
 migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1890-12-31" ;
 	migrants:migration_table\#DateStart_Min "1890-01-01" ;
@ -295,6 +325,7 @@ migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "7" ;
 	a migrants:migration_table .
 migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Max "1889-12-31" ;
 	migrants:migration_table\#DateStart_Min "1889-01-01" ;
@ -304,18 +335,21 @@ migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "6" ;
 	a migrants:migration_table .
 migrants:migration_table\/5 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:UA-Lv-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#IDMig "5" ;
 	a migrants:migration_table .
 migrants:organisation\/79 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:CZ-Prag-00 ;
 	migrants:organisation\#inst_name "Deutsches Theater Prag" ;
 	migrants:organisation\#IDOrganisation "79" ;
 	a migrants:organisation .
 location:CZ-Prag-00 locationp:City migrants:City-Prague ;
 	locationp:Country migrants:Country-CzechRepublic ;
 	locationp:Continent migrants:Continent-Europe ;
@ -326,12 +360,14 @@ location:CZ-Prag-00 locationp:City migrants:City-Prague ;
 	locationp:latitude "50.0833" ;
 	locationp:IDLocation "CZ-Prag-00" ;
 	a migrants:location .
 migrants:organisation\/78 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-Leip-00 ;
 	migrants:organisation\#inst_name "Oper Leipzig" ;
 	migrants:organisation\#IDOrganisation "78" ;
 	a migrants:organisation .
 location:GER-Leip-00 locationp:City migrants:City-Leipzig ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -342,12 +378,14 @@ location:GER-Leip-00 locationp:City migrants:City-Leipzig ;
 	locationp:latitude "51.3333" ;
 	locationp:IDLocation "GER-Leip-00" ;
 	a migrants:location .
 migrants:organisation\/77 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-Ffm-00 ;
 	migrants:organisation\#inst_name "Oper Frankfurt" ;
 	migrants:organisation\#IDOrganisation "77" ;
 	a migrants:organisation .
 location:GER-Ffm-00 locationp:City migrants:City-Frankfurt ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -358,12 +396,14 @@ location:GER-Ffm-00 locationp:City migrants:City-Frankfurt ;
 	locationp:latitude "50.1167" ;
 	locationp:IDLocation "GER-Ffm-00" ;
 	a migrants:location .
 migrants:organisation\/76 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-STR-00 ;
 	migrants:organisation\#inst_name "Hofoper Stuttgart" ;
 	migrants:organisation\#IDOrganisation "76" ;
 	a migrants:organisation .
 location:GER-STR-00 locationp:City migrants:City-Stuttgart ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -374,12 +414,14 @@ location:GER-STR-00 locationp:City migrants:City-Stuttgart ;
 	locationp:latitude "48.782" ;
 	locationp:IDLocation "GER-STR-00" ;
 	a migrants:location .
 migrants:organisation\/75 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-BER-00 ;
 	migrants:organisation\#inst_name "Königliche Oper, Berlin" ;
 	migrants:organisation\#IDOrganisation "75" ;
 	a migrants:organisation .
 location:GER-BER-00 locationp:City migrants:City-Berlin ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -390,32 +432,39 @@ location:GER-BER-00 locationp:City migrants:City-Berlin ;
 	locationp:latitude "52.52" ;
 	locationp:IDLocation "GER-BER-00" ;
 	a migrants:location .
 migrants:organisation\/450 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-Dresd-00 ;
 	migrants:organisation\#inst_name "Hofoper Dresden" ;
 	migrants:organisation\#IDOrganisation "450" ;
 	a migrants:organisation .
 migrants:organisation\/73 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#ref-IDLocation location:GER-MUC-00 ;
 	migrants:organisation\#inst_name "Königl. Hoftheater in München" ;
 	migrants:organisation\#IDOrganisation "73" ;
 	a migrants:organisation .
 migrants:organisation\/72 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#inst_name "Oper Riga" ;
 	migrants:organisation\#IDOrganisation "72" ;
 	a migrants:organisation .
 migrants:organisation\/71 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#inst_name "Hofoper Wien" ;
 	migrants:organisation\#IDOrganisation "71" ;
 	a migrants:organisation .
 migrants:EmploymentType-Tour rdfs:label "Tour"@en ;
 	a migrants:EmploymentType .
 migrants:Profession-Singer rdfs:label "Singer"@en ;
 	a migrants:Profession .
 person:CamCle-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:imageURL "https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png" ;
@ -423,8 +472,10 @@ person:CamCle-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Cleofonte" ;
 	personp:IDPerson "CamCle-00" ;
 	a migrants:person .
 migrants:RelationshipTypePrecise-Sister rdfs:label "Sister"@en ;
 	a migrants:RelationshipTypePrecise .
 person:AbeMir-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:imageURL "https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png" ;
@ -432,6 +483,7 @@ person:AbeMir-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Mira" ;
 	personp:IDPerson "AbeMir-00" ;
 	a migrants:person .
 person:LamFra-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-male ;
 	personp:imageURL "https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png" ;
@ -439,6 +491,7 @@ person:LamFra-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Francesco Lamperti" ;
 	personp:IDPerson "LamFra-00" ;
 	a migrants:person .
 person:WilAur-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:Source "Andrea Harrandt: Jäger (-Wilczek), Familie, in: Oesterreichisches Musiklexikon. Online-Ausgabe, Wien 2002 ff., OEML: http://www.musiklexikon.ac.at/ml/musik_J/Jaeger_Familie_2.xmlKarl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, p. 2217.&nbsp;Ludwig Eisenberg: Großes biographisches Lexikon der deutschen Bühne im XIX. Jahrhundert.&nbsp; Leipzig: List 1903, pp. 468- 469." ;
@ -461,8 +514,10 @@ person:WilAur-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Aurelie" ;
 	personp:IDPerson "WilAur-00" ;
 	a migrants:person .
 migrants:RelationshipType- rdfs:label ""@en ;
 	a migrants:RelationshipType .
 person:MamEmm-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:CERL "https://data.cerl.org/thesaurus/cnp01075147" ;
@ -482,8 +537,10 @@ person:MamEmm-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:first_name "Emma" ;
 	personp:IDPerson "MamEmm-00" ;
 	a migrants:person .
 migrants:MigrationReason-Other rdfs:label "Other"@en ;
 	a migrants:MigrationReason .
 location:AT-Weid-00 locationp:City migrants:City-Weidling ;
 	locationp:State migrants:State-Statzendorf ;
 	locationp:Country migrants:Country-Austria ;
@ -493,6 +550,7 @@ location:AT-Weid-00 locationp:City migrants:City-Weidling ;
 	locationp:latitude "48.3081" ;
 	locationp:IDLocation "AT-Weid-00" ;
 	a migrants:location .
 location:GER-Dresd-00 locationp:City migrants:City-Dresden ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -503,6 +561,7 @@ location:GER-Dresd-00 locationp:City migrants:City-Dresden ;
 	locationp:latitude "51.05" ;
 	locationp:IDLocation "GER-Dresd-00" ;
 	a migrants:location .
 location:GER-MUC-00 locationp:City migrants:City-Munich ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -513,6 +572,7 @@ location:GER-MUC-00 locationp:City migrants:City-Munich ;
 	locationp:latitude "48.1333" ;
 	locationp:IDLocation "GER-MUC-00" ;
 	a migrants:location .
 location:LV-RIX-00 locationp:City migrants:City-Riga ;
 	locationp:Country migrants:Country-Latvia ;
 	locationp:Continent migrants:Continent-Europe ;
@ -523,8 +583,10 @@ location:LV-RIX-00 locationp:City migrants:City-Riga ;
 	locationp:latitude "56.9489" ;
 	locationp:IDLocation "LV-RIX-00" ;
 	a migrants:location .
 migrants:MigrationReason-Labour rdfs:label "Labour"@en ;
 	a migrants:MigrationReason .
 location:AT-VIE-00 locationp:City migrants:City-Vienna ;
 	locationp:Country migrants:Country-Austria ;
 	locationp:Continent migrants:Continent-Europe ;
@ -535,6 +597,7 @@ location:AT-VIE-00 locationp:City migrants:City-Vienna ;
 	locationp:latitude "48.21" ;
 	locationp:IDLocation "AT-VIE-00" ;
 	a migrants:location .
 location:CZ-Karlsb-00 locationp:City migrants:City-KarlovyVary ;
 	locationp:Country migrants:Country-CzechRepublic ;
 	locationp:Continent migrants:Continent-Europe ;
@ -545,8 +608,10 @@ location:CZ-Karlsb-00 locationp:City migrants:City-KarlovyVary ;
 	locationp:latitude "50.2306" ;
 	locationp:IDLocation "CZ-Karlsb-00" ;
 	a migrants:location .
 migrants:MigrationReason-Education rdfs:label "Education"@en ;
 	a migrants:MigrationReason .
 location:IT-Mila-00 locationp:City migrants:City-Milan ;
 	locationp:Country migrants:Country-Italy ;
 	locationp:Continent migrants:Continent-Europe ;
@ -557,6 +622,7 @@ location:IT-Mila-00 locationp:City migrants:City-Milan ;
 	locationp:latitude "45.4669" ;
 	locationp:IDLocation "IT-Mila-00" ;
 	a migrants:location .
 location:UA-Lv-00 locationp:City migrants:City-Lviv ;
 	locationp:Country migrants:Country-Ukraine ;
 	locationp:Continent migrants:Continent-Europe ;
--- a/data_examples/step_03_1hop.ttl
+++ b/data_examples/step_03_1hop.ttl
@ -31,12 +31,14 @@ person:AbeIre-00 personp:SNAC <https://snaccooperative.org/ark:/99166/w6bt189x#r
 	personp:Source "Karl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, pp. 3-4. \nWiener Staatsoper: Aufführungsarchiv,  https://archiv.wiener-staatsoper.at/search/person/7243\nFremdenblatt - Organ für die böhmischen Kurorte, 8th July 1888, p. 2: https://anno.onb.ac.at/cgi-content/anno?aid=fbl&amp;datum=18880708&amp;query=%22Abendroth+Karlsbad%22~25&amp;ref=anno-search&amp;seite=2\n\n" ;
 	personp:gender migrants:Gender-female ;
 	personp:Importsource migrants:ImportSource-Own .
 migrants:migration_table\/5 migrants:migration_table\#IDMig 5 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:UA-Lv-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:IT-Mila-00 ;
 	migrants:migration_table\#reason migrants:MigrationReason-Education .
 migrants:migration_table\/6 migrants:migration_table\#IDMig 6 ;
 	migrants:migration_table\#DateStart_Max "1889-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1889-01-01"^^xsd:date ;
@ -46,6 +48,7 @@ migrants:migration_table\/6 migrants:migration_table\#IDMig 6 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1889" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/7 migrants:migration_table\#IDMig 7 ;
 	migrants:migration_table\#DateStart_Max "1890-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1890-01-01"^^xsd:date ;
@ -55,6 +58,7 @@ migrants:migration_table\/7 migrants:migration_table\#IDMig 7 ;
 	migrants:migration_table\#ref-IDDestPlace location:LV-RIX-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1890" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/8 migrants:migration_table\#IDMig 8 ;
 	migrants:migration_table\#DateStart_Max "1891-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1891-01-01"^^xsd:date ;
@ -64,6 +68,7 @@ migrants:migration_table\/8 migrants:migration_table\#IDMig 8 ;
 	migrants:migration_table\#ref-IDDestPlace location:GER-MUC-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1891" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/9 migrants:migration_table\#IDMig 9 ;
 	migrants:migration_table\#DateStart_Max "1894-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1894-01-01"^^xsd:date ;
@ -73,6 +78,7 @@ migrants:migration_table\/9 migrants:migration_table\#IDMig 9 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1894" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/10 migrants:migration_table\#IDMig 10 ;
 	migrants:migration_table\#DateStart_Max "1899-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1899-01-01"^^xsd:date ;
@ -82,6 +88,7 @@ migrants:migration_table\/10 migrants:migration_table\#IDMig 10 ;
 	migrants:migration_table\#ref-IDDestPlace location:GER-Dresd-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1899" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/11 migrants:migration_table\#IDMig 11 ;
 	migrants:migration_table\#DateStart_Max "1909-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1909-01-01"^^xsd:date ;
@ -91,18 +98,21 @@ migrants:migration_table\/11 migrants:migration_table\#IDMig 11 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1909" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/2114 migrants:migration_table\#IDMig 2114 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#reason migrants:MigrationReason-Education .
 migrants:migration_table\/2117 migrants:migration_table\#IDMig 2117 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:CZ-Karlsb-00 ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/2118 migrants:migration_table\#IDMig 2118 ;
 	migrants:migration_table\#DateStart_Max "1909-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1909-01-01"^^xsd:date ;
@ -112,10 +122,12 @@ migrants:migration_table\/2118 migrants:migration_table\#IDMig 2118 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-Weid-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1909" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Other .
 migrants:person_profession\/5120 migrants:person_profession\#IDProfPerson 5120 ;
 	a migrants:person_profession ;
 	migrants:person_profession\#ref-IDPerson person:AbeIre-00 ;
 	migrants:person_profession\#profession "Singer" .
 migrants:relationship\/2 migrants:relationship\#IDRel 2 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
@ -124,6 +136,7 @@ migrants:relationship\/2 migrants:relationship\#IDRel 2 ;
 	migrants:relationship\#Timeperiod "" ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/3 migrants:relationship\#IDRel 3 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
@ -131,39 +144,46 @@ migrants:relationship\/3 migrants:relationship\#IDRel 3 ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/38 migrants:relationship\#IDRel 38 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 .
 migrants:relationship\/93 migrants:relationship\#IDRel 93 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:WilAur-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/16834 migrants:relationship\#IDRel 16834 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:LamFra-00 ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/16839 migrants:relationship\#IDRel 16839 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeMir-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#relationshiptype_precise migrants:RelationshipTypePrecise-Sister .
 migrants:relationship\/16844 migrants:relationship\#IDRel 16844 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:CamCle-00 ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/21686 migrants:relationship\#IDRel 21686 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 work:1 workp:IDWork 1 ;
 	workp:DateStart_Max "1888-12-31"^^xsd:date ;
 	workp:DateStart_Min "1888-01-01"^^xsd:date ;
@ -176,6 +196,7 @@ work:1 workp:IDWork 1 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:2 workp:IDWork 2 ;
 	workp:DateStart_Max "1889-12-31"^^xsd:date ;
 	workp:DateStart_Min "1889-01-01"^^xsd:date ;
@ -188,6 +209,7 @@ work:2 workp:IDWork 2 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:3 workp:IDWork 3 ;
 	workp:DateEnd_Max "1891-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1891-01-01"^^xsd:date ;
@ -202,6 +224,7 @@ work:3 workp:IDWork 3 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:4 workp:IDWork 4 ;
 	workp:DateEnd_Max "1894-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1894-01-01"^^xsd:date ;
@ -216,6 +239,7 @@ work:4 workp:IDWork 4 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:5 workp:IDWork 5 ;
 	workp:DateEnd_Max "1897-03-22"^^xsd:date ;
 	workp:DateEnd_Min "1897-03-22"^^xsd:date ;
@ -230,6 +254,7 @@ work:5 workp:IDWork 5 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:6 workp:IDWork 6 ;
 	workp:DateEnd_Max "1909-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1909-01-01"^^xsd:date ;
@ -244,6 +269,7 @@ work:6 workp:IDWork 6 ;
 	workp:comment "she left Vienna because of disagreements with Gustav Mahler (Director" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:7 workp:IDWork 7 ;
 	workp:DateEnd_Max "1907-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1907-01-01"^^xsd:date ;
@ -258,6 +284,7 @@ work:7 workp:IDWork 7 ;
 	workp:comment "Between 1905 and 1907 guest engagements at Berliner Hofoper" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:8 workp:IDWork 8 ;
 	workp:DateEnd_Max "1907-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1907-01-01"^^xsd:date ;
@ -272,6 +299,7 @@ work:8 workp:IDWork 8 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:9 workp:IDWork 9 ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
@ -284,6 +312,7 @@ work:9 workp:IDWork 9 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:10 workp:IDWork 10 ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
@ -296,6 +325,7 @@ work:10 workp:IDWork 10 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:11 workp:IDWork 11 ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
--- a/data_examples/step_03_2hop.ttl
+++ b/data_examples/step_03_2hop.ttl
@ -9,8 +9,10 @@
@prefix migrants: <http://example.org/migrants/> .
 migrants:Gender-female a migrants:Gender ;
 	rdfs:label "female"@en .
 migrants:ImportSource-Own a migrants:ImportSource ;
 	rdfs:label "Own"@en .
 person:AbeIre-00 personp:SNAC <https://snaccooperative.org/ark:/99166/w6bt189x#resources> ;
 	personp:ISNI <https://isni.org/isni/0000000035722792> ;
 	personp:VIAF <https://viaf.org/viaf/39572476> ;
@ -35,12 +37,14 @@ person:AbeIre-00 personp:SNAC <https://snaccooperative.org/ark:/99166/w6bt189x#r
 	personp:Source "Karl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, pp. 3-4. \nWiener Staatsoper: Aufführungsarchiv,  https://archiv.wiener-staatsoper.at/search/person/7243\nFremdenblatt - Organ für die böhmischen Kurorte, 8th July 1888, p. 2: https://anno.onb.ac.at/cgi-content/anno?aid=fbl&amp;datum=18880708&amp;query=%22Abendroth+Karlsbad%22~25&amp;ref=anno-search&amp;seite=2\n\n" ;
 	personp:gender migrants:Gender-female ;
 	personp:Importsource migrants:ImportSource-Own .
 migrants:migration_table\/5 migrants:migration_table\#IDMig 5 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:UA-Lv-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:IT-Mila-00 ;
 	migrants:migration_table\#reason migrants:MigrationReason-Education .
 migrants:migration_table\/6 migrants:migration_table\#IDMig 6 ;
 	migrants:migration_table\#DateStart_Max "1889-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1889-01-01"^^xsd:date ;
@ -50,6 +54,7 @@ migrants:migration_table\/6 migrants:migration_table\#IDMig 6 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1889" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/7 migrants:migration_table\#IDMig 7 ;
 	migrants:migration_table\#DateStart_Max "1890-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1890-01-01"^^xsd:date ;
@ -59,6 +64,7 @@ migrants:migration_table\/7 migrants:migration_table\#IDMig 7 ;
 	migrants:migration_table\#ref-IDDestPlace location:LV-RIX-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1890" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/8 migrants:migration_table\#IDMig 8 ;
 	migrants:migration_table\#DateStart_Max "1891-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1891-01-01"^^xsd:date ;
@ -68,6 +74,7 @@ migrants:migration_table\/8 migrants:migration_table\#IDMig 8 ;
 	migrants:migration_table\#ref-IDDestPlace location:GER-MUC-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1891" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/9 migrants:migration_table\#IDMig 9 ;
 	migrants:migration_table\#DateStart_Max "1894-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1894-01-01"^^xsd:date ;
@ -77,6 +84,7 @@ migrants:migration_table\/9 migrants:migration_table\#IDMig 9 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1894" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/10 migrants:migration_table\#IDMig 10 ;
 	migrants:migration_table\#DateStart_Max "1899-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1899-01-01"^^xsd:date ;
@ -86,6 +94,7 @@ migrants:migration_table\/10 migrants:migration_table\#IDMig 10 ;
 	migrants:migration_table\#ref-IDDestPlace location:GER-Dresd-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1899" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/11 migrants:migration_table\#IDMig 11 ;
 	migrants:migration_table\#DateStart_Max "1909-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1909-01-01"^^xsd:date ;
@ -95,18 +104,21 @@ migrants:migration_table\/11 migrants:migration_table\#IDMig 11 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1909" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/2114 migrants:migration_table\#IDMig 2114 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#reason migrants:MigrationReason-Education .
 migrants:migration_table\/2117 migrants:migration_table\#IDMig 2117 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDDestPlace location:CZ-Karlsb-00 ;
 	migrants:migration_table\#reason migrants:MigrationReason-Labour .
 migrants:migration_table\/2118 migrants:migration_table\#IDMig 2118 ;
 	migrants:migration_table\#DateStart_Max "1909-12-31"^^xsd:date ;
 	migrants:migration_table\#DateStart_Min "1909-01-01"^^xsd:date ;
@ -116,10 +128,12 @@ migrants:migration_table\/2118 migrants:migration_table\#IDMig 2118 ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-Weid-00 ;
 	migrants:migration_table\#DateStart_Fuzzy "1909" ;
 	migrants:migration_table\#reason migrants:MigrationReason-Other .
 migrants:person_profession\/5120 migrants:person_profession\#IDProfPerson 5120 ;
 	a migrants:person_profession ;
 	migrants:person_profession\#ref-IDPerson person:AbeIre-00 ;
 	migrants:person_profession\#profession "Singer" .
 migrants:relationship\/2 migrants:relationship\#IDRel 2 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
@ -128,6 +142,7 @@ migrants:relationship\/2 migrants:relationship\#IDRel 2 ;
 	migrants:relationship\#Timeperiod "" ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/3 migrants:relationship\#IDRel 3 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
@ -135,39 +150,46 @@ migrants:relationship\/3 migrants:relationship\#IDRel 3 ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#comment "" ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/38 migrants:relationship\#IDRel 38 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 .
 migrants:relationship\/93 migrants:relationship\#IDRel 93 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:WilAur-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/16834 migrants:relationship\#IDRel 16834 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:LamFra-00 ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/16839 migrants:relationship\#IDRel 16839 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeMir-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#relationshiptype_precise migrants:RelationshipTypePrecise-Sister .
 migrants:relationship\/16844 migrants:relationship\#IDRel 16844 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:CamCle-00 ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 migrants:relationship\/21686 migrants:relationship\#IDRel 21686 ;
 	a migrants:relationship ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- .
 work:1 workp:IDWork 1 ;
 	workp:DateStart_Max "1888-12-31"^^xsd:date ;
 	workp:DateStart_Min "1888-01-01"^^xsd:date ;
@ -180,6 +202,7 @@ work:1 workp:IDWork 1 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:2 workp:IDWork 2 ;
 	workp:DateStart_Max "1889-12-31"^^xsd:date ;
 	workp:DateStart_Min "1889-01-01"^^xsd:date ;
@ -192,6 +215,7 @@ work:2 workp:IDWork 2 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:3 workp:IDWork 3 ;
 	workp:DateEnd_Max "1891-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1891-01-01"^^xsd:date ;
@ -206,6 +230,7 @@ work:3 workp:IDWork 3 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:4 workp:IDWork 4 ;
 	workp:DateEnd_Max "1894-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1894-01-01"^^xsd:date ;
@ -220,6 +245,7 @@ work:4 workp:IDWork 4 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:5 workp:IDWork 5 ;
 	workp:DateEnd_Max "1897-03-22"^^xsd:date ;
 	workp:DateEnd_Min "1897-03-22"^^xsd:date ;
@ -234,6 +260,7 @@ work:5 workp:IDWork 5 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:6 workp:IDWork 6 ;
 	workp:DateEnd_Max "1909-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1909-01-01"^^xsd:date ;
@ -248,6 +275,7 @@ work:6 workp:IDWork 6 ;
 	workp:comment "she left Vienna because of disagreements with Gustav Mahler (Director" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:7 workp:IDWork 7 ;
 	workp:DateEnd_Max "1907-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1907-01-01"^^xsd:date ;
@ -262,6 +290,7 @@ work:7 workp:IDWork 7 ;
 	workp:comment "Between 1905 and 1907 guest engagements at Berliner Hofoper" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:8 workp:IDWork 8 ;
 	workp:DateEnd_Max "1907-12-31"^^xsd:date ;
 	workp:DateEnd_Min "1907-01-01"^^xsd:date ;
@ -276,6 +305,7 @@ work:8 workp:IDWork 8 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:9 workp:IDWork 9 ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
@ -288,6 +318,7 @@ work:9 workp:IDWork 9 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:10 workp:IDWork 10 ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
@ -300,6 +331,7 @@ work:10 workp:IDWork 10 ;
 	workp:comment "" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 work:11 workp:IDWork 11 ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
@ -311,6 +343,7 @@ work:11 workp:IDWork 11 ;
 	workp:comment "Deutsches Theater Prag" ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:EmploymentType migrants:EmploymentType-Tour .
 location:UA-Lv-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Lviv> ;
 	locationp:GeoNamesID 702550 ;
 	locationp:longitude "24.0142"^^xsd:float ;
@ -321,10 +354,13 @@ location:UA-Lv-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Lviv> ;
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Ukraine ;
 	locationp:City migrants:City-Lviv .
 migrants:MigrationReason-Education a migrants:MigrationReason ;
 	rdfs:label "Education"@en .
 migrants:MigrationReason-Labour a migrants:MigrationReason ;
 	rdfs:label "Labour"@en .
 location:AT-Weid-00 locationp:longitude "15.6408"^^xsd:float ;
 	locationp:latitude "48.3081"^^xsd:float ;
 	a migrants:location ;
@ -334,8 +370,10 @@ location:AT-Weid-00 locationp:longitude "15.6408"^^xsd:float ;
 	locationp:Country migrants:Country-Austria ;
 	locationp:State migrants:State-Statzendorf ;
 	locationp:City migrants:City-Weidling .
 migrants:MigrationReason-Other a migrants:MigrationReason ;
 	rdfs:label "Other"@en .
 person:WilAur-00 personp:CERL <https://data.cerl.org/thesaurus/cnp02080470> ;
 	personp:VIAF <https://viaf.org/viaf/304930607> ;
 	personp:GND <https://d-nb.info/gnd/1037100972> ;
@ -358,6 +396,7 @@ person:WilAur-00 personp:CERL <https://data.cerl.org/thesaurus/cnp02080470> ;
 	personp:Source "Andrea Harrandt: Jäger (-Wilczek), Familie, in: Oesterreichisches Musiklexikon. Online-Ausgabe, Wien 2002 ff., OEML: http://www.musiklexikon.ac.at/ml/musik_J/Jaeger_Familie_2.xmlKarl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, p. 2217.&nbsp;Ludwig Eisenberg: Großes biographisches Lexikon der deutschen Bühne im XIX. Jahrhundert.&nbsp; Leipzig: List 1903, pp. 468- 469." ;
 	personp:gender migrants:Gender-female ;
 	personp:Importsource migrants:ImportSource-Own .
 person:LamFra-00 personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png> ;
 	a migrants:person ;
 	personp:IDPerson "LamFra-00" ;
@ -365,6 +404,7 @@ person:LamFra-00 personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp
 	personp:family_name "Lamperti" ;
 	personp:gender migrants:Gender-male ;
 	personp:Importsource migrants:ImportSource-Own .
 person:AbeMir-00 personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png> ;
 	a migrants:person ;
 	personp:IDPerson "AbeMir-00" ;
@ -372,8 +412,10 @@ person:AbeMir-00 personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp
 	personp:family_name "Abendroth" ;
 	personp:gender migrants:Gender-female ;
 	personp:Importsource migrants:ImportSource-Own .
 migrants:RelationshipTypePrecise-Sister a migrants:RelationshipTypePrecise ;
 	rdfs:label "Sister"@en .
 person:CamCle-00 personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png> ;
 	a migrants:person ;
 	personp:IDPerson "CamCle-00" ;
@ -381,6 +423,7 @@ person:CamCle-00 personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp
 	personp:family_name "Campanini" ;
 	personp:gender migrants:Gender-female ;
 	personp:Importsource migrants:ImportSource-Own .
 location:IT-Mila-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Milan> ;
 	locationp:GeoNamesID 3173435 ;
 	locationp:longitude "9.19"^^xsd:float ;
@ -391,6 +434,7 @@ location:IT-Mila-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Milan> ;
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Italy ;
 	locationp:City migrants:City-Milan .
 person:MamEmm-00 personp:CERL <https://data.cerl.org/thesaurus/cnp01075147> ;
 	personp:VIAF <https://viaf.org/viaf/62289633> ;
 	personp:GND <https://d-nb.info/gnd/116021799> ;
@ -410,8 +454,10 @@ person:MamEmm-00 personp:CERL <https://data.cerl.org/thesaurus/cnp01075147> ;
 	personp:ref-IDDeathPlace location:AT-VIE-00 ;
 	personp:gender migrants:Gender-female ;
 	personp:Importsource migrants:ImportSource-Own .
 migrants:RelationshipType- a migrants:RelationshipType ;
 	rdfs:label ""@en .
 location:CZ-Karlsb-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Karlovy_Vary> ;
 	locationp:GeoNamesID 3073803 ;
 	locationp:longitude "12.8725"^^xsd:float ;
@ -422,6 +468,7 @@ location:CZ-Karlsb-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Karlovy
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-CzechRepublic ;
 	locationp:City migrants:City-KarlovyVary .
 location:LV-RIX-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Riga> ;
 	locationp:GeoNamesID 456172 ;
 	locationp:longitude "24.1064"^^xsd:float ;
@ -432,11 +479,13 @@ location:LV-RIX-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Riga> ;
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Latvia ;
 	locationp:City migrants:City-Riga .
 migrants:organisation\/72 migrants:organisation\#IDOrganisation 72 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Oper Riga" ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 location:GER-MUC-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Munich> ;
 	locationp:GeoNamesID 2867714 ;
 	locationp:longitude "11.5667"^^xsd:float ;
@ -447,12 +496,14 @@ location:GER-MUC-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Munich> ;
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:City migrants:City-Munich .
 migrants:organisation\/73 migrants:organisation\#IDOrganisation 73 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Königl. Hoftheater in München" ;
 	migrants:organisation\#ref-IDLocation location:GER-MUC-00 ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 location:AT-VIE-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Vienna> ;
 	locationp:GeoNamesID 2761369 ;
 	locationp:longitude "16.3634"^^xsd:float ;
@ -463,11 +514,13 @@ location:AT-VIE-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Vienna> ;
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Austria ;
 	locationp:City migrants:City-Vienna .
 migrants:organisation\/71 migrants:organisation\#IDOrganisation 71 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Hofoper Wien" ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 location:GER-Dresd-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Dresden> ;
 	locationp:GeoNamesID 2935022 ;
 	locationp:longitude "13.74"^^xsd:float ;
@ -478,12 +531,14 @@ location:GER-Dresd-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Dresden
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:City migrants:City-Dresden .
 migrants:organisation\/450 migrants:organisation\#IDOrganisation 450 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Hofoper Dresden" ;
 	migrants:organisation\#ref-IDLocation location:GER-Dresd-00 ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 location:GER-BER-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Berlin> ;
 	locationp:GeoNamesID 2950159 ;
 	locationp:longitude "13.405"^^xsd:float ;
@ -494,12 +549,14 @@ location:GER-BER-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Berlin> ;
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:City migrants:City-Berlin .
 migrants:organisation\/75 migrants:organisation\#IDOrganisation 75 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Königliche Oper, Berlin" ;
 	migrants:organisation\#ref-IDLocation location:GER-BER-00 ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 location:GER-STR-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Stuttgart> ;
 	locationp:GeoNamesID 2825297 ;
 	locationp:longitude "9.184"^^xsd:float ;
@ -510,12 +567,14 @@ location:GER-STR-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Stuttgart
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:City migrants:City-Stuttgart .
 migrants:organisation\/76 migrants:organisation\#IDOrganisation 76 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Hofoper Stuttgart" ;
 	migrants:organisation\#ref-IDLocation location:GER-STR-00 ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 location:GER-Ffm-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Frankfurt> ;
 	locationp:GeoNamesID 2925533 ;
 	locationp:longitude "8.68333"^^xsd:float ;
@ -526,12 +585,14 @@ location:GER-Ffm-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Frankfurt
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:City migrants:City-Frankfurt .
 migrants:organisation\/77 migrants:organisation\#IDOrganisation 77 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Oper Frankfurt" ;
 	migrants:organisation\#ref-IDLocation location:GER-Ffm-00 ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 location:GER-Leip-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Leipzig> ;
 	locationp:GeoNamesID 2879139 ;
 	locationp:longitude "12.3833"^^xsd:float ;
@ -542,12 +603,14 @@ location:GER-Leip-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Leipzig>
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:City migrants:City-Leipzig .
 migrants:organisation\/78 migrants:organisation\#IDOrganisation 78 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Oper Leipzig" ;
 	migrants:organisation\#ref-IDLocation location:GER-Leip-00 ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 location:CZ-Prag-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Prague> ;
 	locationp:GeoNamesID 3067696 ;
 	locationp:longitude "14.4167"^^xsd:float ;
@ -558,13 +621,16 @@ location:CZ-Prag-00 locationp:wikipedia <https://en.wikipedia.org/wiki/Prague> ;
 	locationp:Continent migrants:Continent-Europe ;
 	locationp:Country migrants:Country-CzechRepublic ;
 	locationp:City migrants:City-Prague .
 migrants:organisation\/79 migrants:organisation\#IDOrganisation 79 ;
 	a migrants:organisation ;
 	migrants:organisation\#inst_name "Deutsches Theater Prag" ;
 	migrants:organisation\#ref-IDLocation location:CZ-Prag-00 ;
 	migrants:organisation\#comment "" ;
 	migrants:organisation\#InstType migrants:InstitutionType-Theatre .
 migrants:Profession-Singer a migrants:Profession ;
 	rdfs:label "Singer"@en .
 migrants:EmploymentType-Tour a migrants:EmploymentType ;
 	rdfs:label "Tour"@en .
--- a/data_examples/step_04_1hop.ttl
+++ b/data_examples/step_04_1hop.ttl
@ -31,6 +31,7 @@ person:AbeIre-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:VIAF <https://viaf.org/viaf/39572476> ;
 	personp:ISNI <https://isni.org/isni/0000000035722792> ;
 	personp:SNAC <https://snaccooperative.org/ark:/99166/w6bt189x#resources> .
 work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Deutsches Theater Prag" ;
@ -42,6 +43,7 @@ work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 11 .
 work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "-" ;
@ -53,6 +55,7 @@ work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 10 .
 work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "-" ;
@ -64,6 +67,7 @@ work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 9 .
 work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "1907" ;
@ -77,6 +81,7 @@ work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1907-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 8 .
 work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Between 1905 and 1907 guest engagements at Berliner Hofoper" ;
@ -91,6 +96,7 @@ work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1907-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 7 .
 work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "she left Vienna because of disagreements with Gustav Mahler (Director" ;
@ -105,6 +111,7 @@ work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1909-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1909-12-31"^^xsd:date ;
 	workp:IDWork 6 .
 work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "1897" ;
@ -118,6 +125,7 @@ work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1897-03-22"^^xsd:date ;
 	workp:DateEnd_Max "1897-03-22"^^xsd:date ;
 	workp:IDWork 5 .
 work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "1894" ;
@ -131,6 +139,7 @@ work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1894-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1894-12-31"^^xsd:date ;
 	workp:IDWork 4 .
 work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "1891" ;
@ -144,6 +153,7 @@ work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1891-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1891-12-31"^^xsd:date ;
 	workp:IDWork 3 .
 work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "-" ;
@ -155,6 +165,7 @@ work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1889-01-01"^^xsd:date ;
 	workp:DateStart_Max "1889-12-31"^^xsd:date ;
 	workp:IDWork 2 .
 work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:Employment "Permanent" ;
@ -166,55 +177,65 @@ work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1888-01-01"^^xsd:date ;
 	workp:DateStart_Max "1888-12-31"^^xsd:date ;
 	workp:IDWork 1 .
 migrants:relationship\/21686 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 21686 .
 migrants:relationship\/16844 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:CamCle-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 16844 .
 migrants:relationship\/16839 migrants:relationship\#relationshiptype_precise migrants:RelationshipTypePrecise-Sister ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeMir-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 16839 .
 migrants:relationship\/16834 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:LamFra-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 16834 .
 migrants:relationship\/93 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:WilAur-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 93 .
 migrants:relationship\/38 migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:MamEmm-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 38 .
 migrants:relationship\/3 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:WilAur-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 3 .
 migrants:relationship\/2 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 2 .
 migrants:person_profession\/5120 migrants:person_profession\#profession "Singer" ;
 	migrants:person_profession\#ref-IDPerson person:AbeIre-00 ;
 	a migrants:person_profession ;
 	migrants:person_profession\#IDProfPerson 5120 .
 migrants:migration_table\/2118 migrants:migration_table\#reason migrants:MigrationReason-Other ;
 	migrants:migration_table\#DateStart_Fuzzy "1909" ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-Weid-00 ;
@ -224,18 +245,21 @@ migrants:migration_table\/2118 migrants:migration_table\#reason migrants:Migrati
 	migrants:migration_table\#DateStart_Min "1909-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1909-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 2118 .
 migrants:migration_table\/2117 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#ref-IDDestPlace location:CZ-Karlsb-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#IDMig 2117 .
 migrants:migration_table\/2114 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#IDMig 2114 .
 migrants:migration_table\/11 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1909" ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
@ -245,6 +269,7 @@ migrants:migration_table\/11 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#DateStart_Min "1909-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1909-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 11 .
 migrants:migration_table\/10 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1899" ;
 	migrants:migration_table\#ref-IDDestPlace location:GER-Dresd-00 ;
@ -254,6 +279,7 @@ migrants:migration_table\/10 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#DateStart_Min "1899-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1899-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 10 .
 migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1894" ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
@ -263,6 +289,7 @@ migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#DateStart_Min "1894-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1894-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 9 .
 migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1891" ;
 	migrants:migration_table\#ref-IDDestPlace location:GER-MUC-00 ;
@ -272,6 +299,7 @@ migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#DateStart_Min "1891-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1891-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 8 .
 migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1890" ;
 	migrants:migration_table\#ref-IDDestPlace location:LV-RIX-00 ;
@ -281,6 +309,7 @@ migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#DateStart_Min "1890-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1890-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 7 .
 migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1889" ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
@ -290,6 +319,7 @@ migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#DateStart_Min "1889-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1889-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 6 .
 migrants:migration_table\/5 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:UA-Lv-00 ;
--- a/data_examples/step_04_2hop.ttl
+++ b/data_examples/step_04_2hop.ttl
@ -9,8 +9,10 @@
@prefix migrants: <http://example.org/migrants/> .
 migrants:ImportSource-Own rdfs:label "Own"@en ;
 	a migrants:ImportSource .
 migrants:Gender-female rdfs:label "female"@en ;
 	a migrants:Gender .
 person:AbeIre-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:Source "Karl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, pp. 3-4. \nWiener Staatsoper: Aufführungsarchiv,  https://archiv.wiener-staatsoper.at/search/person/7243\nFremdenblatt - Organ für die böhmischen Kurorte, 8th July 1888, p. 2: https://anno.onb.ac.at/cgi-content/anno?aid=fbl&amp;datum=18880708&amp;query=%22Abendroth+Karlsbad%22~25&amp;ref=anno-search&amp;seite=2\n\n" ;
@ -35,6 +37,7 @@ person:AbeIre-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:VIAF <https://viaf.org/viaf/39572476> ;
 	personp:ISNI <https://isni.org/isni/0000000035722792> ;
 	personp:SNAC <https://snaccooperative.org/ark:/99166/w6bt189x#resources> .
 work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Deutsches Theater Prag" ;
@ -46,6 +49,7 @@ work:11 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 11 .
 work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "-" ;
@ -57,6 +61,7 @@ work:10 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 10 .
 work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "-" ;
@ -68,6 +73,7 @@ work:9 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1907-01-01"^^xsd:date ;
 	workp:DateStart_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 9 .
 work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "1907" ;
@ -81,6 +87,7 @@ work:8 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1907-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 8 .
 work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "Between 1905 and 1907 guest engagements at Berliner Hofoper" ;
@ -95,6 +102,7 @@ work:7 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1907-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1907-12-31"^^xsd:date ;
 	workp:IDWork 7 .
 work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:comment "she left Vienna because of disagreements with Gustav Mahler (Director" ;
@ -109,6 +117,7 @@ work:6 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1909-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1909-12-31"^^xsd:date ;
 	workp:IDWork 6 .
 work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "1897" ;
@ -122,6 +131,7 @@ work:5 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1897-03-22"^^xsd:date ;
 	workp:DateEnd_Max "1897-03-22"^^xsd:date ;
 	workp:IDWork 5 .
 work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "1894" ;
@ -135,6 +145,7 @@ work:4 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1894-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1894-12-31"^^xsd:date ;
 	workp:IDWork 4 .
 work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "1891" ;
@ -148,6 +159,7 @@ work:3 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateEnd_Min "1891-01-01"^^xsd:date ;
 	workp:DateEnd_Max "1891-12-31"^^xsd:date ;
 	workp:IDWork 3 .
 work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:DateEnd_Fuzzy "-" ;
@ -159,6 +171,7 @@ work:2 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1889-01-01"^^xsd:date ;
 	workp:DateStart_Max "1889-12-31"^^xsd:date ;
 	workp:IDWork 2 .
 work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:Profession migrants:Profession-Singer ;
 	workp:Employment "Permanent" ;
@ -170,55 +183,65 @@ work:1 workp:EmploymentType migrants:EmploymentType-Tour ;
 	workp:DateStart_Min "1888-01-01"^^xsd:date ;
 	workp:DateStart_Max "1888-12-31"^^xsd:date ;
 	workp:IDWork 1 .
 migrants:relationship\/21686 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 21686 .
 migrants:relationship\/16844 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:CamCle-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 16844 .
 migrants:relationship\/16839 migrants:relationship\#relationshiptype_precise migrants:RelationshipTypePrecise-Sister ;
 	migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeMir-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 16839 .
 migrants:relationship\/16834 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:IT-Mila-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:LamFra-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 16834 .
 migrants:relationship\/93 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:WilAur-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 93 .
 migrants:relationship\/38 migrants:relationship\#ref-IDPerson_passive person:AbeIre-00 ;
 	migrants:relationship\#ref-IDPerson_active person:MamEmm-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 38 .
 migrants:relationship\/3 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:WilAur-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 3 .
 migrants:relationship\/2 migrants:relationship\#Relationshiptype migrants:RelationshipType- ;
 	migrants:relationship\#ref-IDLocation location:AT-VIE-00 ;
 	migrants:relationship\#ref-IDPerson_passive person:MamEmm-00 ;
 	migrants:relationship\#ref-IDPerson_active person:AbeIre-00 ;
 	a migrants:relationship ;
 	migrants:relationship\#IDRel 2 .
 migrants:person_profession\/5120 migrants:person_profession\#profession "Singer" ;
 	migrants:person_profession\#ref-IDPerson person:AbeIre-00 ;
 	a migrants:person_profession ;
 	migrants:person_profession\#IDProfPerson 5120 .
 migrants:migration_table\/2118 migrants:migration_table\#reason migrants:MigrationReason-Other ;
 	migrants:migration_table\#DateStart_Fuzzy "1909" ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-Weid-00 ;
@ -228,18 +251,21 @@ migrants:migration_table\/2118 migrants:migration_table\#reason migrants:Migrati
 	migrants:migration_table\#DateStart_Min "1909-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1909-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 2118 .
 migrants:migration_table\/2117 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#ref-IDDestPlace location:CZ-Karlsb-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#IDMig 2117 .
 migrants:migration_table\/2114 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#IDMig 2114 .
 migrants:migration_table\/11 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1909" ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
@ -249,6 +275,7 @@ migrants:migration_table\/11 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#DateStart_Min "1909-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1909-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 11 .
 migrants:migration_table\/10 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1899" ;
 	migrants:migration_table\#ref-IDDestPlace location:GER-Dresd-00 ;
@ -258,6 +285,7 @@ migrants:migration_table\/10 migrants:migration_table\#reason migrants:Migration
 	migrants:migration_table\#DateStart_Min "1899-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1899-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 10 .
 migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1894" ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
@ -267,6 +295,7 @@ migrants:migration_table\/9 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#DateStart_Min "1894-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1894-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 9 .
 migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1891" ;
 	migrants:migration_table\#ref-IDDestPlace location:GER-MUC-00 ;
@ -276,6 +305,7 @@ migrants:migration_table\/8 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#DateStart_Min "1891-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1891-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 8 .
 migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1890" ;
 	migrants:migration_table\#ref-IDDestPlace location:LV-RIX-00 ;
@ -285,6 +315,7 @@ migrants:migration_table\/7 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#DateStart_Min "1890-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1890-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 7 .
 migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationReason-Labour ;
 	migrants:migration_table\#DateStart_Fuzzy "1889" ;
 	migrants:migration_table\#ref-IDDestPlace location:AT-VIE-00 ;
@ -294,17 +325,20 @@ migrants:migration_table\/6 migrants:migration_table\#reason migrants:MigrationR
 	migrants:migration_table\#DateStart_Min "1889-01-01"^^xsd:date ;
 	migrants:migration_table\#DateStart_Max "1889-12-31"^^xsd:date ;
 	migrants:migration_table\#IDMig 6 .
 migrants:migration_table\/5 migrants:migration_table\#reason migrants:MigrationReason-Education ;
 	migrants:migration_table\#ref-IDDestPlace location:IT-Mila-00 ;
 	migrants:migration_table\#ref-IDStartPlace location:UA-Lv-00 ;
 	migrants:migration_table\#ref-IDPerson person:AbeIre-00 ;
 	a migrants:migration_table ;
 	migrants:migration_table\#IDMig 5 .
 migrants:organisation\/79 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#ref-IDLocation location:CZ-Prag-00 ;
 	migrants:organisation\#inst_name "Deutsches Theater Prag" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 79 .
 location:CZ-Prag-00 locationp:City migrants:City-Prague ;
 	locationp:Country migrants:Country-CzechRepublic ;
 	locationp:Continent migrants:Continent-Europe ;
@ -315,11 +349,13 @@ location:CZ-Prag-00 locationp:City migrants:City-Prague ;
 	locationp:longitude "14.4167"^^xsd:float ;
 	locationp:GeoNamesID 3067696 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Prague> .
 migrants:organisation\/78 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#ref-IDLocation location:GER-Leip-00 ;
 	migrants:organisation\#inst_name "Oper Leipzig" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 78 .
 location:GER-Leip-00 locationp:City migrants:City-Leipzig ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -330,11 +366,13 @@ location:GER-Leip-00 locationp:City migrants:City-Leipzig ;
 	locationp:longitude "12.3833"^^xsd:float ;
 	locationp:GeoNamesID 2879139 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Leipzig> .
 migrants:organisation\/77 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#ref-IDLocation location:GER-Ffm-00 ;
 	migrants:organisation\#inst_name "Oper Frankfurt" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 77 .
 location:GER-Ffm-00 locationp:City migrants:City-Frankfurt ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -345,11 +383,13 @@ location:GER-Ffm-00 locationp:City migrants:City-Frankfurt ;
 	locationp:longitude "8.68333"^^xsd:float ;
 	locationp:GeoNamesID 2925533 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Frankfurt> .
 migrants:organisation\/76 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#ref-IDLocation location:GER-STR-00 ;
 	migrants:organisation\#inst_name "Hofoper Stuttgart" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 76 .
 location:GER-STR-00 locationp:City migrants:City-Stuttgart ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -360,11 +400,13 @@ location:GER-STR-00 locationp:City migrants:City-Stuttgart ;
 	locationp:longitude "9.184"^^xsd:float ;
 	locationp:GeoNamesID 2825297 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Stuttgart> .
 migrants:organisation\/75 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#ref-IDLocation location:GER-BER-00 ;
 	migrants:organisation\#inst_name "Königliche Oper, Berlin" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 75 .
 location:GER-BER-00 locationp:City migrants:City-Berlin ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -375,28 +417,35 @@ location:GER-BER-00 locationp:City migrants:City-Berlin ;
 	locationp:longitude "13.405"^^xsd:float ;
 	locationp:GeoNamesID 2950159 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Berlin> .
 migrants:organisation\/450 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#ref-IDLocation location:GER-Dresd-00 ;
 	migrants:organisation\#inst_name "Hofoper Dresden" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 450 .
 migrants:organisation\/73 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#ref-IDLocation location:GER-MUC-00 ;
 	migrants:organisation\#inst_name "Königl. Hoftheater in München" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 73 .
 migrants:organisation\/72 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#inst_name "Oper Riga" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 72 .
 migrants:organisation\/71 migrants:organisation\#InstType migrants:InstitutionType-Theatre ;
 	migrants:organisation\#inst_name "Hofoper Wien" ;
 	a migrants:organisation ;
 	migrants:organisation\#IDOrganisation 71 .
 migrants:EmploymentType-Tour rdfs:label "Tour"@en ;
 	a migrants:EmploymentType .
 migrants:Profession-Singer rdfs:label "Singer"@en ;
 	a migrants:Profession .
 person:CamCle-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:family_name "Campanini" ;
@ -404,8 +453,10 @@ person:CamCle-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:IDPerson "CamCle-00" ;
 	a migrants:person ;
 	personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png> .
 migrants:RelationshipTypePrecise-Sister rdfs:label "Sister"@en ;
 	a migrants:RelationshipTypePrecise .
 person:AbeMir-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:family_name "Abendroth" ;
@ -413,6 +464,7 @@ person:AbeMir-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:IDPerson "AbeMir-00" ;
 	a migrants:person ;
 	personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png> .
 person:LamFra-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-male ;
 	personp:family_name "Lamperti" ;
@ -420,6 +472,7 @@ person:LamFra-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:IDPerson "LamFra-00" ;
 	a migrants:person ;
 	personp:imageURL <https://www.t-migrants.gwi.uni-muenchen.de/wp-content/uploads/images/placeholder_t_mig_2024.png> .
 person:WilAur-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:Source "Andrea Harrandt: Jäger (-Wilczek), Familie, in: Oesterreichisches Musiklexikon. Online-Ausgabe, Wien 2002 ff., OEML: http://www.musiklexikon.ac.at/ml/musik_J/Jaeger_Familie_2.xmlKarl-Josef Kutsch, Leo Riemens: Großes Sängerlexikon, Bern: Saur 2003, p. 2217.&nbsp;Ludwig Eisenberg: Großes biographisches Lexikon der deutschen Bühne im XIX. Jahrhundert.&nbsp; Leipzig: List 1903, pp. 468- 469." ;
@ -442,7 +495,9 @@ person:WilAur-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:GND <https://d-nb.info/gnd/1037100972> ;
 	personp:VIAF <https://viaf.org/viaf/304930607> ;
 	personp:CERL <https://data.cerl.org/thesaurus/cnp02080470> .
 migrants:RelationshipType- a migrants:RelationshipType .
 person:MamEmm-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:gender migrants:Gender-female ;
 	personp:ref-IDDeathPlace location:AT-VIE-00 ;
@ -462,8 +517,10 @@ person:MamEmm-00 personp:Importsource migrants:ImportSource-Own ;
 	personp:GND <https://d-nb.info/gnd/116021799> ;
 	personp:VIAF <https://viaf.org/viaf/62289633> ;
 	personp:CERL <https://data.cerl.org/thesaurus/cnp01075147> .
 migrants:MigrationReason-Other rdfs:label "Other"@en ;
 	a migrants:MigrationReason .
 location:AT-Weid-00 locationp:City migrants:City-Weidling ;
 	locationp:State migrants:State-Statzendorf ;
 	locationp:Country migrants:Country-Austria ;
@ -473,6 +530,7 @@ location:AT-Weid-00 locationp:City migrants:City-Weidling ;
 	a migrants:location ;
 	locationp:latitude "48.3081"^^xsd:float ;
 	locationp:longitude "15.6408"^^xsd:float .
 location:GER-Dresd-00 locationp:City migrants:City-Dresden ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -483,6 +541,7 @@ location:GER-Dresd-00 locationp:City migrants:City-Dresden ;
 	locationp:longitude "13.74"^^xsd:float ;
 	locationp:GeoNamesID 2935022 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Dresden> .
 location:GER-MUC-00 locationp:City migrants:City-Munich ;
 	locationp:Country migrants:Country-Germany ;
 	locationp:Continent migrants:Continent-Europe ;
@ -493,6 +552,7 @@ location:GER-MUC-00 locationp:City migrants:City-Munich ;
 	locationp:longitude "11.5667"^^xsd:float ;
 	locationp:GeoNamesID 2867714 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Munich> .
 location:LV-RIX-00 locationp:City migrants:City-Riga ;
 	locationp:Country migrants:Country-Latvia ;
 	locationp:Continent migrants:Continent-Europe ;
@ -503,8 +563,10 @@ location:LV-RIX-00 locationp:City migrants:City-Riga ;
 	locationp:longitude "24.1064"^^xsd:float ;
 	locationp:GeoNamesID 456172 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Riga> .
 migrants:MigrationReason-Labour rdfs:label "Labour"@en ;
 	a migrants:MigrationReason .
 location:AT-VIE-00 locationp:City migrants:City-Vienna ;
 	locationp:Country migrants:Country-Austria ;
 	locationp:Continent migrants:Continent-Europe ;
@ -515,6 +577,7 @@ location:AT-VIE-00 locationp:City migrants:City-Vienna ;
 	locationp:longitude "16.3634"^^xsd:float ;
 	locationp:GeoNamesID 2761369 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Vienna> .
 location:CZ-Karlsb-00 locationp:City migrants:City-KarlovyVary ;
 	locationp:Country migrants:Country-CzechRepublic ;
 	locationp:Continent migrants:Continent-Europe ;
@ -525,8 +588,10 @@ location:CZ-Karlsb-00 locationp:City migrants:City-KarlovyVary ;
 	locationp:longitude "12.8725"^^xsd:float ;
 	locationp:GeoNamesID 3073803 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Karlovy_Vary> .
 migrants:MigrationReason-Education rdfs:label "Education"@en ;
 	a migrants:MigrationReason .
 location:IT-Mila-00 locationp:City migrants:City-Milan ;
 	locationp:Country migrants:Country-Italy ;
 	locationp:Continent migrants:Continent-Europe ;
@ -537,6 +602,7 @@ location:IT-Mila-00 locationp:City migrants:City-Milan ;
 	locationp:longitude "9.19"^^xsd:float ;
 	locationp:GeoNamesID 3173435 ;
 	locationp:wikipedia <https://en.wikipedia.org/wiki/Milan> .
 location:UA-Lv-00 locationp:City migrants:City-Lviv ;
 	locationp:Country migrants:Country-Ukraine ;
 	locationp:Continent migrants:Continent-Europe ;