Hi,

I'm wondering if it's a bug when I try to run the following SPARQL query on http://dbpedia.org/sparql

SELECT * WHERE {
    ?s dbpedia-owl:birthDate ?o1.
    ?s dbpedia-owl:birthDate ?o2.
    FILTER(!sameTerm(?o1, ?o2))
} LIMIT 100

which is supposed to return resources which have more than one birthDate, but also returns resource with only one birthDate, e.g.

http://dbpedia.org/resource/Avet_Terterian 1929-07-29    1929-07-29


Kind regards,
Lorenz


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