@prefix qb: . @prefix rdf: . @prefix rdfs: . @prefix api: . @prefix foaf: . @prefix def-bwq: . def-bwq:sampleDateTime a qb:AttributeProperty ; rdfs:comment "The date/time at which a sample was taken"@en ; rdfs:isDefinedBy ; rdfs:label "sampleDateTime"@en . a api:ItemEndpoint , api:Page ; api:definition ; api:extendedMetadataVersion ; foaf:primaryTopic def-bwq:sampleDateTime .