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The resulting collection of entities is counted using COUNT(DISTINCT ?s) ) in the SELECT statement.
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SELECT COUNT(DISTINCT ?s) WHERE { ?s rdf:type foaf:Agent . OPTIONAL {?s rdfs:label ?label .} FILTER(!bound(?label)) } |
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The resulting collection of entities is counted using COUNT(DISTINCT ?s) ) in the SELECT statement.
Code Block | ||
---|---|---|
| ||
SELECT COUNT(DISTINCT ?s) WHERE { ?s rdf:type foaf:Agent . OPTIONAL {?s rdfs:label ?label .} FILTER(!bound(?label)) } |
...