Thanks, Yuri - this looks promising! On Fri, May 31, 2019 at 5:28 PM Yuri Astrakhan <yuriastrak...@gmail.com> 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. > > On Fri, May 31, 2019 at 6:01 PM Daniel Mietchen > <daniel.mietc...@googlemail.com> 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 >> Wikidata@lists.wikimedia.org >> https://lists.wikimedia.org/mailman/listinfo/wikidata > > _______________________________________________ > Wikidata mailing list > Wikidata@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata
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