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Challenge/B/B_30.ttl

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+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix iadopt: <https://w3id.org/iadopt/ont/> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix GrB: <http://www.group.org/iadopt/challengeB/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix dc: <http://purl.org/dc/terms/> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+
+GrB:30
+  a           iadopt:Variable ;
+  skos:prefLabel  "Date of last certified PCR-test"@en ;
+  skos:definition "This variable represents the date when the last COVID-19 PCR (Polymerase Chain Reaction) test was performed by a certified laboratory."@en ;
+  iadopt:hasProperty <http://www.ontology-of-units-of-measure.org/resource/om-2/Date> ;
+  iadopt:hasObjectOfInterest <http://www.yso.fi/onto/yso/p28479> ;
+  iadopt:hasContextObject <http://publications.europa.eu/resource/authority/subject-matter/CV19> ;
+  iadopt:hasConstraint <http://data.europa.eu/vjg/qglossary/c_7c01611b> ;
+.
+
+<http://www.ontology-of-units-of-measure.org/resource/om-2/Date>
+  a          iadopt:Property ;
+  rdfs:label "date"@en ;
+  .
+
+<http://www.yso.fi/onto/yso/p28479>
+  a          iadopt:Entity ;
+  rdfs:label "polymerase chain reaction (PCR)"@en ;
+  .
+
+<http://publications.europa.eu/resource/authority/subject-matter/CV19>
+  a          iadopt:Entity ;
+  rdfs:label "COVID-19"@en ;
+  .
+
+<http://data.europa.eu/vjg/qglossary/c_7c01611b>
+  a          iadopt:Constraint ;
+  rdfs:label "certification"@en ;
+  iadopt:constrains <http://www.yso.fi/onto/yso/p28479> ;
+  .