[Wikidata-bugs] [Maniphest] [Commented On] T157811: Wikidata reference URIs have become too many to search with WDQS SPARQL

[Jheald]

Jheald added a comment.

For completeness, the P:854 can also be used as a qualifier, principally on property P1343 "described by source", though the number of uses is much much smaller.

This usage can be searched, eg this query works:

SELECT ?item ?itemLabel ?refURL WHERE {
  ?item ?prop ?stmt .
  ?stmt pq:P854 ?refURL .
  FILTER (CONTAINS(str(?refURL),'//www.british-history.ac.uk/vch/')) . 
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
} LIMIT 200

However, that is presumably because there are only 8615 such uses in all. (live count).

TASK DETAIL

https://phabricator.wikimedia.org/T157811

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To: Jheald
Cc: Aklapper, Jheald, EBjune, merbst, Avner, debt, Gehel, D3r1ck01, Jonas, FloNight, Xmlizer, Izno, jkroll, Smalyshev, Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331

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