Sometimes the following query works, and sometimes it times out. Can
anyone give me any suggestions about ways to make it more efficient, or
at least point out which parts are most inefficient? (Besides the
filters, which I assume add a good deal to the required processing.)
SELECT ?s, ?artistName, ?album, ?wpURL, ?releaseDate, ?prevAlbum,
?nextAlbum, ?producer, ?coverURL
WHERE {
?s dbpedia2:artist ?artistName;
dbpedia2:name ?album;
foaf:page ?wpURL;
dbpedia2:released ?releaseDate;
dbpedia2:lastAlbum ?prevAlbum;
dbpedia2:nextAlbum ?nextAlbum;
dbpedia2:producer ?producer;
dbpedia2:cover ?coverURL.
FILTER (regex(?artistName, "Miles")).
FILTER (regex(?album, "Blue")).
}
LIMIT 30
thanks,
Bob DuCharme
http://www.snee.com/bobdc.blog
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