On 10/29/21 10:11 AM, Thad Guidry wrote:
Hi David and team,In Yi Liu's tool, Wikidata Property Explorer, I noticed that the query performance could be better ideally. Currently the query takes about 9 seconds and I'm asking if there might be anything to help reduce that considerably? Refactoring query for optimization, backend changes, anything you can think of Davd?SELECT DISTINCT ?prop ?label ?desc ?type (GROUP_CONCAT(DISTINCT ?alias; SEPARATOR = " | ") AS ?aliases) WHERE {?prop (wdt:P31/(wdt:P279*)) wd:Q18616576; wikibase:propertyType ?type. OPTIONAL { ?prop rdfs:label ?label. FILTER((LANG(?label)) = "en") } OPTIONAL { ?prop schema:description ?desc. FILTER((LANG(?desc)) = "en") } OPTIONAL { ?prop skos:altLabel ?alias. FILTER((LANG(?alias)) = "en") } } GROUP BY ?prop ?label ?desc ?type Thad https://www.linkedin.com/in/thadguidry/ https://calendly.com/thadguidry/ _______________________________________________ Wikidata mailing list --wikidata@lists.wikimedia.org To unsubscribe send an email towikidata-le...@lists.wikimedia.org
Hi Thad,Don't know what your expectations are, but here are results from our Wikidata instance:
* Query Solution Page with "Anytime Query" Feature Enabled <https://wikidata.demo.openlinksw.com/sparql?default-graph-uri=http%3A%2F%2Fwww.wikidata.org%2F&query=SELECT+DISTINCT+%3Fprop+%3Flabel+%3Fdesc+%3Ftype+%28GROUP_CONCAT%28DISTINCT+%3Falias%3B+SEPARATOR+%3D+%22+%7C+%22%29+AS+%3Faliases%29+WHERE+%7B%0D%0A++%3Fprop+%28wdt%3AP31%2F%28wdt%3AP279*%29%29+wd%3AQ18616576%3B%0D%0A++++wikibase%3ApropertyType+%3Ftype.%0D%0A++OPTIONAL+%7B%0D%0A++++%3Fprop+rdfs%3Alabel+%3Flabel.%0D%0A++++FILTER%28%28LANG%28%3Flabel%29%29+%3D+%22en%22%29%0D%0A++%7D%0D%0A++OPTIONAL+%7B%0D%0A++++%3Fprop+schema%3Adescription+%3Fdesc.%0D%0A++++FILTER%28%28LANG%28%3Fdesc%29%29+%3D+%22en%22%29%0D%0A++%7D%0D%0A++OPTIONAL+%7B%0D%0A++++%3Fprop+skos%3AaltLabel+%3Falias.%0D%0A++++FILTER%28%28LANG%28%3Falias%29%29+%3D+%22en%22%29%0D%0A++%7D%0D%0A%7D%0D%0AGROUP+BY+%3Fprop+%3Flabel+%3Fdesc+%3Ftype%0D%0A&format=text%2Fx-html%2Btr&timeout=360000&signal_void=on&signal_unconnected=on> * Query Solution Page with "Anytime Query" Feature Disabled <https://wikidata.demo.openlinksw.com/sparql?default-graph-uri=http%3A%2F%2Fwww.wikidata.org%2F&query=SELECT+DISTINCT+%3Fprop+%3Flabel+%3Fdesc+%3Ftype+%28GROUP_CONCAT%28DISTINCT+%3Falias%3B+SEPARATOR+%3D+%22+%7C+%22%29+AS+%3Faliases%29+WHERE+%7B%0D%0A++%3Fprop+%28wdt%3AP31%2F%28wdt%3AP279*%29%29+wd%3AQ18616576%3B%0D%0A++++wikibase%3ApropertyType+%3Ftype.%0D%0A++OPTIONAL+%7B%0D%0A++++%3Fprop+rdfs%3Alabel+%3Flabel.%0D%0A++++FILTER%28%28LANG%28%3Flabel%29%29+%3D+%22en%22%29%0D%0A++%7D%0D%0A++OPTIONAL+%7B%0D%0A++++%3Fprop+schema%3Adescription+%3Fdesc.%0D%0A++++FILTER%28%28LANG%28%3Fdesc%29%29+%3D+%22en%22%29%0D%0A++%7D%0D%0A++OPTIONAL+%7B%0D%0A++++%3Fprop+skos%3AaltLabel+%3Falias.%0D%0A++++FILTER%28%28LANG%28%3Falias%29%29+%3D+%22en%22%29%0D%0A++%7D%0D%0A%7D%0D%0AGROUP+BY+%3Fprop+%3Flabel+%3Fdesc+%3Ftype%0D%0A&format=text%2Fx-html%2Btr&timeout=0&signal_void=on&signal_unconnected=on> * Ditto, but using GRAPH CLAUSE <https://wikidata.demo.openlinksw.com/sparql?default-graph-uri=http%3A%2F%2Fwww.wikidata.org%2F&query=SELECT+DISTINCT+%3Fprop+%3Flabel+%3Fdesc+%3Ftype+%28GROUP_CONCAT%28DISTINCT+%3Falias%3B+SEPARATOR+%3D+%22+%7C+%22%29+AS+%3Faliases%29+%0D%0AWHERE+%7B%0D%0A+++++++GRAPH+%3Fg+%7B%0D%0A++++++++++++++++++++%3Fprop+%28wdt%3AP31%2F%28wdt%3AP279*%29%29+wd%3AQ18616576%3B%0D%0A++++++++++++++++++++++++wikibase%3ApropertyType+%3Ftype.%0D%0A++++++++++++++++++++OPTIONAL+%7B%0D%0A++++++++++++++++++++++++%3Fprop+rdfs%3Alabel+%3Flabel.%0D%0A++++++++++++++++++++++++FILTER%28%28LANG%28%3Flabel%29%29+%3D+%22en%22%29%0D%0A++++++++++++++++++++%7D%0D%0A++++++++++++++++++++OPTIONAL+%7B%0D%0A++++++++++++++++++++++++%3Fprop+schema%3Adescription+%3Fdesc.%0D%0A++++++++++++++++++++++++FILTER%28%28LANG%28%3Fdesc%29%29+%3D+%22en%22%29%0D%0A++++++++++++++++++++%7D%0D%0A++++++++++++++++++++OPTIONAL+%7B%0D%0A++++++++++++++++++++++++%3Fprop+skos%3AaltLabel+%3Falias.%0D%0A++++++++++++++++++++++++FILTER%28%28LANG%28%3Falias%29%29+%3D+%22en%22%29%0D%0A++++++++++++++++++++%7D%0D%0A+++++++%7D%0D%0A%7D%0D%0AGROUP+BY+%3Fprop+%3Flabel+%3Fdesc+%3Ftype%0D%0A&format=text%2Fx-html%2Btr&timeout=0&signal_void=on&signal_unconnected=on> -- this might not make a difference here since all the data is in a single Named Graph Hope this helps. -- Regards, Kingsley Idehen Founder & CEO OpenLink Software Home Page:http://www.openlinksw.com Community Support:https://community.openlinksw.com Weblogs (Blogs): Company Blog:https://medium.com/openlink-software-blog Virtuoso Blog:https://medium.com/virtuoso-blog Data Access Drivers Blog:https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers Personal Weblogs (Blogs): Medium Blog:https://medium.com/@kidehen Legacy Blogs:http://www.openlinksw.com/blog/~kidehen/ http://kidehen.blogspot.com Profile Pages: Pinterest:https://www.pinterest.com/kidehen/ Quora:https://www.quora.com/profile/Kingsley-Uyi-Idehen Twitter:https://twitter.com/kidehen Google+:https://plus.google.com/+KingsleyIdehen/about LinkedIn:http://www.linkedin.com/in/kidehen Web Identities (WebID): Personal:http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i :http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
smime.p7s
Description: S/MIME Cryptographic Signature
_______________________________________________ Wikidata mailing list -- wikidata@lists.wikimedia.org To unsubscribe send an email to wikidata-le...@lists.wikimedia.org
