[Koha-bugs] [Bug 18585] Connect to RDF triplestore

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=18585

--- Comment #36 from David Cook <dcook at prosentient.com.au> ---
I'm going to refer to this Quora answer
(https://www.quora.com/Does-wikidata-store-data-as-RDF-Triples-If-yes-what-kind-of-datastore-is-used)
where someone from WikiMedia talks about WikiData:

"The primary data storage is dumb JSON blobs in an SQL database. MediaWiki
thinks of the data as “pages”, so we also store them as pages. This also makes
versioning a lot easier. I know of no scalable solution for versioned data in a
triple store.

The Wikidata Query Service does use an RDF triple store to allow SPAQL queries
against the current version of the data. We use BlazeGraph to store the data
and run the queries. It scales well, and is fully free software. Virtuoso was
also an option, but the free version lacks some critical features."

Leveraging that idea, we could store RDF/XML (or JSON-LD) in Koha, and then we
could "index" it into a RDF triplestore, so that Koha could use it, and so that
the public could use a public SPARQL endpoint. 

I'd be interested in checking out BlazeGraph as well.

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