PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX : <http://example.org/ns#>
SELECT ?a
WHERE
{ ?a :p ?v .
FILTER (?v) .
}
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX : <http://example.org/ns#>
SELECT ?a
WHERE
{ ?a :p ?v .
FILTER (?v) .
}