PREFIX ex: <http://a.example/ex1#>PREFIX disco: <http://rdf-vocabulary.ddialliance.org/discovery#>PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX org: <http://www.w3.org/ns/org#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>PREFIX owl: <http://www.w3.org/2002/07/owl#>
ex:Study_1 a disco:Study;
  dcterms:title "National Population and Housing Census, 1980"@en;
  dcterms:identifier "ARG_1980_PHC_v01_A_IPUMS";
  dcterms:creator [
    rdfs:label "Minnesota Population Center"@en;
    skos:notation "MPC";
    org:memberOf [
      rdfs:label "University of Minnesota"@en;
    ];
  ];
  dcterms:creator [
    rdfs:label "..."@en;
  ];
  dcterms:temporal [
    a dcterms:PeriodOfTime ;
    disco:startDate "1980-10-22"^^xsd:date;
    disco:endDate "1980-10-22"^^xsd:date;
    rdfs:comment "...";
  ];
  dcterms:spatial [
        a dcterms:Location;
    rdfs:label "Argentina, national coverage"@en;
  ];
    dcterms:subject [
    skos:definition "Technical Variables -- HOUSEHOLD"@en ;
  ] ;
  dcterms:subject [
    skos:definition "Group Quarters Variables -- HOUSEHOLD"@en ;
  ] ;
  dcterms:abstract "...";
  owl:versionInfo "..."@en; 
  disco:universe ex:Universe_1;
  disco:instrument ex:Questionnaire_1;
  disco:product ex:Dataset_1;
  
  disco:analysisUnit ex:AnalysisUnit_1;
  disco:kindOfData ex:KindOfData_1;
  
  disco:variable ex:AR80A401, ex:AR80A402, ex:AR80A404, ex:AR80A407, ex:AR80A411.
ex:Universe_1 a disco:Universe;
  skos:definition "..."@en .
ex:Dataset_1 a disco:LogicalDataSet;
  disco:instrument ex:Questionnaire_1;
  dcterms:accessRights ex:AccessRights_1;
  disco:dataFile ex:Datafile_1;
  disco:variable ex:AR80A401, ex:AR80A402, ex:AR80A404, ex:AR80A407, ex:AR80A411.
ex:AccessRights_1 a dcterms:RightsStatement;
  dcterms:description "...";
  rdfs:seeAlso <http://microdata.worldbank.org/index.php/catalog/442/accesspolicy> .
ex:AnalysisUnit_1 a disco:AnalysisUnit ;
  skos:definition "..."@en .
ex:KindOfData_1 a skos:Concept ;
  rdfs:label "Census/enumeration data [cen]"@en .
ex:Questionnaire_1 a disco:Questionnaire;
  disco:question ex:QuestionGender;
  disco:question ex:QuestionAge;
  disco:question ex:QuestionCitizenship.
ex:QuestionGender a disco:Question;
  disco:questionText "2. Is the person a man or a woman? [] Man, [] Woman"@en.
ex:QuestionAge a disco:Question;
  disco:questionText "3. What is his or her age? _ _ ..."@en.
ex:QuestionCitizenship a disco:Question;
  disco:questionText "..."@en.
ex:AR80A401 a disco:Variable;
  dcterms:identifier "AR80A401";
  skos:prefLabel "Sex"@en, "Sexe"@fr;
  dcterms:description "This variable indicates the person's gender."@en;
  disco:basedOn ex:SexVD;
  disco:question ex:QuestionGender.
ex:AR80A402 a disco:Variable;
  dcterms:identifier "AR80A402";
  dcterms:description "This variable indicates the person's age in years."@en;
  skos:prefLabel "Age"@en, "Âge"@fr;
  disco:basedOn ex:AgeVD;
  disco:question ex:QuestionAge.
ex:AR80A407 a disco:Variable;
  dcterms:identifier "AR80A407";
  dcterms:description "This ... citizen of Argentina."@en;
  skos:prefLabel "Citizenship"@en, "Citoyenneté"@fr;
  disco:basedOn ex:CitizenshipVD;
  disco:question ex:QuestionCitizenship.
ex:SexVD a disco:RepresentedVariable;
  disco:universe ex:UniversePerson;
  disco:representation ex:SexRepr;
  disco:concept ex:IpumsC1;
  skos:prefLabel "Sex"@en, "Sexe"@fr;
  dcterms:description "Sex data element"@en.
ex:SexRepr a skos:ConceptScheme, disco:Representation;
  skos:hasTopConcept ex:SexM, ex:SexF.
ex:SexM a skos:Concept;
  skos:notation "1";
  skos:prefLabel "Male"@en, "Homme"@fr;
  skos:inScheme ex:SexRepr.
ex:SexF a skos:Concept;
  skos:notation "2";
  skos:prefLabel "Female"@en, "Femme"@fr;
  skos:inScheme ex:SexRepr.
ex:AgeVD a disco:RepresentedVariable;
  disco:universe ex:UniversePerson;
  disco:representation ex:AgeRepr;
  disco:concept ex:IpumsC1;
  skos:prefLabel "Age"@en, "Âge"@fr;
  dcterms:description "Age data element"@en.
ex:AgeRepr a skos:ConceptScheme, disco:Representation;
  skos:hasTopConcept ex:Age0, ex:Age1, ex:Age99.
ex:Age0 a skos:Concept;
  skos:notation "0";
  skos:prefLabel "0";
  skos:inScheme ex:AgeRepr.
ex:Age1 a skos:Concept;
  skos:notation "1";
  skos:prefLabel "1";
  skos:inScheme ex:AgeRepr.
ex:Age99 a skos:Concept;
  skos:notation "99";
  skos:prefLabel "99";
  skos:inScheme ex:AgeRepr.
  
ex:CitizenshipVD a disco:RepresentedVariable;
  disco:universe ex:UniverseNonArgentines;
  disco:representation ex:CitizenshipRepr;
  disco:concept ex:IpumsC2;
  skos:prefLabel "Citizenship"@en;
  dcterms:description "Citizenship data element"@en.
ex:CitizenshipRepr a skos:ConceptScheme, disco:Representation;
  skos:hasTopConcept ex:CYes, ex:CNo, ex:CUnknown, ex:CNIU.
ex:CYes a skos:Concept;
  skos:notation "1";
  skos:prefLabel "Yes";
  skos:inScheme ex:CitizenshipRepr.
ex:CNo a skos:Concept;
  skos:notation "2";
  skos:prefLabel "No";
  skos:inScheme ex:CitizenshipRepr.
ex:CUnknown a skos:Concept;
  skos:notation "8";
  skos:prefLabel "Unknown";
  skos:inScheme ex:CitizenshipRepr.
ex:CNIU a skos:Concept;
  skos:notation "9";
  skos:prefLabel "NIU (not in universe)";
  skos:inScheme ex:CitizenshipRepr.
ex:UniversePerson a disco:Universe;
  skos:definition "All persons."@en ;
  skos:narrower ex:Universe_1.
ex:UniverseNonArgentines a disco:Universe;
  skos:definition "Foreign-born persons who reside in Argentina."@en ;
  skos:narrower ex:Universe_1; 
  skos:narrower ex:UniversePerson.
ex:IpumsCS a skos:ConceptScheme;
  skos:hasTopConcept ex:IpumsC1.
ex:IpumsC1 a skos:Concept;
  skos:prefLabel "Demographic Variables - PERSON"@en, "Variables démographiques - PERSONNE"@fr;
  skos:inScheme ex:IpumsCS.
ex:IpumsC2 a skos:Concept;
  skos:prefLabel "Nativity and Birthplace Variables -- PERSON"@en;
  skos:inScheme ex:IpumsCS.
ex:CatStatistics_1 a disco:CategoryStatistics;
  disco:frequency 13314444;
  disco:percentage 49.97;
  disco:statisticsVariable ex:AR80A401;
  disco:statisticsCategory ex:SexM;
  disco:statisticsDataFile ex:Datafile_1.
ex:CatStatistics_2 a disco:CategoryStatistics;
  disco:frequency 1336270;
  disco:statisticsVariable ex:AR80A401;
  disco:statisticsCategory ex:SexF;
  disco:statisticsDataFile ex:Datafile_1.
ex:Datafile_1 a disco:Datafile;
  dcterms:identifier "ARG1900-P-H.dat";
  dcterms:description "Person records"@en;
  disco:caseQuantity 2667714;
  dcterms:format "ascii";
  dcterms:provenance "Minnesota Population Center"@en;
  owl:versionInfo "Version 1.0, IPUMS sample"@en;
  dcterms:spatial [
        a dcterms:Location;
    rdfs:label "Argentina, national coverage"@en
  ];
  dcterms:temporal "PeriodOfTime"@en;
  dcterms:subject "To be defined"@en.