On 5/31/19 11:28 AM, Yuri Astrakhan wrote: > I actually already implemented support in SPARQL for that, but it > needs a bit more work to get it properly merged with the Blazegraph > code. I had it working for a while as part of Sophox (OSM Sparql). > > * docs: https://wiki.openstreetmap.org/wiki/Sophox#External_Data_Sources > * > code: > https://github.com/Sophox/wikidata-query-rdf/compare/master...Sophox:tabular > (see Tabular* files) > * phabricator discussion about the above > code: https://phabricator.wikimedia.org/T181319 > > Tabular support allows any CSV-style tables to be treated as federated > sources. With minor changes it should be possible to use mediawiki's > .tab pages too.
Hi Yuri, What is the SPARQL Query Service endpoint? Basically, the equivalent of : http://query.wikidata.org/sparql ?? Kingsley > > On Fri, May 31, 2019 at 6:01 PM Daniel Mietchen > <[email protected] > <mailto:[email protected]>> wrote: > > Hi, > I'm looking into ways to use tabular data like > https://commons.wikimedia.org/wiki/Data:Zika-institutions-test.tab > in SPARQL queries but could not find anything on that. > > My motivation here is in part coming from the time out limits, and the > basic idea here would be to split queries that typically time out into > sets of queries that do not time out and - if their results were > aggregated - would yield the results that would be expected for the > original query would it not time out. > > The second line of motivation here is that of keeping track of how > things develop over time, which would be interesting for both content > and maintenance queries as well as usage of things like classes, > references, lexemes or properties. > > I would appreciate any pointers or thoughts on the matter. > > Thanks, > > Daniel > > _______________________________________________ > Wikidata mailing list > [email protected] <mailto:[email protected]> > https://lists.wikimedia.org/mailman/listinfo/wikidata > > > _______________________________________________ > Wikidata mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikidata -- 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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