The query works well:
SELECT distinct ?x
WHERE {
?x rdfs:label ?lbl .
filter (!bif:exists ((select (1) where { ?x a dbpedia-owl:Person } )))
filter(bif:contains(?lbl, "Cole"))
}
but the SPARQL Explorer retrieves also the redirects... such as
http://dbpedia.org/resource/Nat_Cole
so
OPTIONAL { ?x dbpedia2:redirect : }
FILTER (!bound(?w))
Unfortunately, the query returns many other Person with other Properties.
I don't figure out how to express not-Person in DBpedia. Is there a
SuperClass?.
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