13 lines
352 B
SPARQL
13 lines
352 B
SPARQL
PREFIX vivo: <http://vivoweb.org/ontology/core#>
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PREFIX owl: <http://www.w3.org/2002/07/owl#>
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PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
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CONSTRUCT {
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?concept a skos:Concept .
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} WHERE {
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{ ?s vivo:hasResearchArea ?concept } UNION
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{ ?s vivo:hasSubjectArea ?concept }
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FILTER NOT EXISTS {
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?concept a skos:Concept
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}
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}
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