FILTER ( !EXISTS { ?catalog dcat:record ?record } ) } Based on the query below, the use of the two properties dct:issued and dct:modified was further analysed for the classes dcat:Catalog, dcat:CatalogRecord, dcat:Distribution and dcat:Dataset: PREFIX dcat: <http://www.w3.org/ns/dcat#> PREFIX dct: <http://purl.org/dc/terms/> SELECT ?catalogue ?cidate ?cmdate ?cataloguerecord ?cridate ?crmdate ?dataset ?didate ?dmdate ?distribution ?diidate ?dimdate WHERE { ?dataset a dcat:Dataset. ?cataloguerecord foaf:primaryTopic ?dataset. ?catalogue dcat:record ?cataloguerecord. ?dataset dcat:distribution ?distribution. ?dataset dct:issued ?didate. ?dataset dct:modified ?dmdate. ?distribution dct:issued ?diidate. ?distribution dct:modified ?dimdate. ?cataloguerecord dct:issued ?cridate. ?catalogue dct:issued ?cidate. ?catalogue dct:modified ?cmdate. ?cataloguerecord dct:modified ?crmdate } 1000 Use of adms:status: PREFIX dcat: <http://www.w3.org/ns/dcat#> PREFIX dct: <http://purl.org/dc/terms/> SELECT ?status WHERE { ?record a dcat:CatalogRecord. ?record adms:status ?status }
FILTER ( !EXISTS { ?catalog dcat:record ?record } ) } Based on the query below, the use of the two properties dct:issued and dct:modified was further analysed for the classes dcat:Catalog, dcat:CatalogRecord, dcat:Distribution and dcat:Dataset: PREFIX dcat: <http://www.w3.org/ns/dcat#> PREFIX dct: <http://purl.org/dc/terms/> SELECT ?catalogue ?cidate ?cmdate ?cataloguerecord ?cridate ?crmdate ?dataset ?didate ?dmdate ?distribution ?diidate ?dimdate WHERE { ?dataset a dcat:Dataset. ?cataloguerecord foaf:primaryTopic ?dataset. ?catalogue dcat:record ?cataloguerecord. ?dataset dcat:distribution ?distribution. ?dataset dct:issued ?didate. ?dataset dct:modified ?dmdate. ?distribution dct:issued ?diidate. ?distribution dct:modified ?dimdate. ?cataloguerecord dct:issued ?cridate. ?catalogue dct:issued ?cidate. ?catalogue dct:modified ?cmdate. ?cataloguerecord dct:modified ?crmdate } 1000 Use of adms:status: PREFIX dcat: <http://www.w3.org/ns/dcat#> PREFIX dct: <http://purl.org/dc/terms/> SELECT ?status WHERE { ?record a dcat:CatalogRecord. ?record adms:status ?status }