On 10/9/24 2:41 PM, Kingsley Idehen via Wikidata wrote:
Hi Peter, On 10/9/24 2:26 PM, Peter F. Patel-Schneider wrote: I use the QLever Wikidata SPARQL service at https://qlever.cs.uni-freiburg.de/wikidata/ The Virtuoso service I use is at https://wikidata.demo.openlinksw.com/sparql I believe that both of these are the standard endpoints and are the same that you used. peter For this kind of transitive closure Virtuoso needs a starting point.https://wikidata.demo.openlinksw.com/sparql?default-graph-uri=http%3A%2F%2Fwww.wikidata.org%2F&query=SELECT+%3Fsub+%3Fsuper+WHERE+%7B%0D%0A++%3Fsub+wdt%3AP279%2B+%3Fsuper+.%0D%0A+++FILTER+%28%3Fsub+%3D+%3Chttp%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ391414%3E%29%0D%0A%7D+%0D%0A&format=text%2Fhtml&timeout=30000&signal_void=on <https://wikidata.demo.openlinksw.com/sparql?default-graph-uri=http%3A%2F%2Fwww.wikidata.org%2F&query=SELECT+%3Fsub+%3Fsuper+WHERE+%7B%0D%0A++%3Fsub+wdt%3AP279%2B+%3Fsuper+.%0D%0A+++FILTER+%28%3Fsub+%3D+%3Chttp%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ391414%3E%29%0D%0A%7D+%0D%0A&format=text%2Fhtml&timeout=30000&signal_void=on>Can you not share a similar SPARQL Protocol link for QLever? Kingsley
Another variant.https://wikidata.demo.openlinksw.com/sparql?default-graph-uri=http%3A%2F%2Fwww.wikidata.org%2F&query=SELECT+%3Fsub+%3Fsuper+WHERE+%7B%0D%0A++%3Fsub+wdt%3AP279%2B+%3Fsuper+.%0D%0A+FILTER%28+%3Fsuper+%3D+%3Chttp%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ385378%3E%29%0D%0A%7D+&format=text%2Fx-html%2Btr&timeout=30000&signal_void=on <https://wikidata.demo.openlinksw.com/sparql?default-graph-uri=http%3A%2F%2Fwww.wikidata.org%2F&query=SELECT+%3Fsub+%3Fsuper+WHERE+%7B%0D%0A++%3Fsub+wdt%3AP279%2B+%3Fsuper+.%0D%0A+FILTER%28+%3Fsuper+%3D+%3Chttp%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ385378%3E%29%0D%0A%7D+&format=text%2Fx-html%2Btr&timeout=30000&signal_void=on>
Query text.|SELECT ?sub ?super WHERE { ?sub wdt:P279+ ?super . FILTER( ?super = <http://www.wikidata.org/entity/Q385378>) } |
-- 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
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