I'm trying to learn how to query the datasets but got a hard time getting my
own queries working. I do not understand for example why that query below,
linked from the Datasets page on the site, does not work (no result):
SELECT ?subject ?label ?released ?abstract WHERE {
?subject rdf:type <http://dbpedia.org/class/yago/MotionPictureFilm103789400>.
?subject dbpedia2:starring <http://dbpedia.org/resource/Tom_Cruise>.
?subject rdfs:comment ?abstract.
?subject rdfs:label ?label.
FILTER(lang(?abstract) = 'en' && lang(?label) = 'en').
?subject dbpedia2:released ?released.
FILTER(xsd:date(?released) < '2000-01-01'^^xsd:date).
} ORDER BY ?released
LIMIT 20
Any idea?
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