Hi Bob,
Not sure about the namespace for dbpedia2, but try to change the filters
for:
?artistName bif:contains "Miles".
?album bif:contains "Blue".
Good luck,
Fred
> 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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