> These should be:
> SELECT nie:url(?photo) WHERE {?photo a nmm:Photo} ORDER BY ...
Yes. For photo, I need the url. For music, I need the artist name. The queries
are like:
SELECT nie:url(?photo) WHERE {?photo a nmm:Photo} ORDER BY nie:url(?photo)
SELECT nmm:artistName(?artist) WHERE {?song a nmm:MusicPiece . OPTIONAL {?song
nmm:performer ?artist} } GROUP by ?artist ORDER by nmm:artistName(?artist)
It takes too much time to load all items one time. So I expect to load part of
them step by step. And I do not expect tracker to sort for each query with
OFFSET and LIMIT.
Thanks!
-Zhenqiang
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