If my memory serves me well, the Open Source version of Virtuoso doesn't have certain scalability features that would be necessary to run a graph as large and dynamic as Wikidata's. Is this information out-of-date?
Cheers, Denny
On Tue, Sep 24, 2024 at 10:35 PM Kingsley Idehen via Wikidata < wikidata@lists.wikimedia.org> wrote:
Hi Everyone, On 9/6/24 11:46 AM, Samuel Klein wrote:
On Fri, Sep 6, 2024 at 4:52 AM Luca Martinelli [Sannita@WMF] < sannita@wikimedia.org> wrote:
no "magic solution" exists, each comes with its load of problems and costs
Given the reload speed, approach to more continuous updating https://github.com/ad-freiburg/qlever/wiki/QLever-support-for-SPARQL-1.1-Update, and recent performance https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/WDQS_backend_update/WDQS_backend_alternatives#A_Report_on_Using_QLever benchmarks https://github.com/ad-freiburg/qlever/wiki/QLever-performance-evaluation-and-comparison-to-other-SPARQL-engines from the page you referenced, QLever seems pretty magical. [it was less so when the initial evaluation of backend alternatives came out] It's also cheap enough to run at home that some people are scratching their own itch now when they have queries that time out on WDQS, as Peter highlights.
Iterating on that benchmark until no one has any concerns with its applicability to our use case seems like a short-term high-return investment. SJ
Is there a place where SPARQL URLs for the various benchmarks are collated? SPARQL makes transparency dead easy via SPARQL URLs.
I am also very interested in what "numerous hurdles" is supposed to imply regarding Virtuoso when its installation boils downs to;
- Run an installer (you don't even need to build its Open Source Edition
binary).
Start server
Start interacting with SPARQL via the instance endpoint.
-- 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
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