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Maniphest T46578

RDF serializer for entities (baseline)
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Description

For RDF dumps as well as the linked data interface, we need a way to convert entities to RDF, as defined in https://meta.wikimedia.org/wiki/Wikidata/Development/RDF. RDF serialization should be supported at least for RDF/XML and n-triples, but N3/Turtle would be very nice to have too.

To allow us to create dumps of millions of entities, the RDF serialization component must be able to operate in streaming mode, outputting the header, then one entity after the other, then a footer.

Version: unspecified
Severity: normal

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Reference
bz44578

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Event Timeline

• bzimport raised the priority of this task from to Needs Triage.Nov 22 2014, 1:28 AM
• bzimport added a project: MediaWiki-extensions-WikibaseRepository.
• bzimport set Reference to bz44578.
• bzimport added a subscriber: Unknown Object (MLST).
daniel created this task.Feb 1 2013, 11:21 AM
AnjaJentzsch added a comment.Feb 14 2013, 3:15 PM

We decided on EasyRDF (http://www.easyrdf.org) for modeling and exporting RDF after discussions on [email protected].

daniel added a comment.Feb 14 2013, 8:35 PM

Good, but how is this "fixed"? Do we now have a method you can give an Entity, and it outputs RDF? easyrdf.org handles the low level RDF stuff, but not the binding to our PHP objects and data model, right? At least not without additional work...

Reopening.

daniel added a comment.Apr 25 2013, 3:39 PM

Ie9f2f89 provides a baseline, but the mapping is incomplete.

daniel added a comment.May 6 2013, 10:14 AM

repurposing this ticket to refer to the baseline implementation only. For claims/statements, see bug 48141. Please create further follow-ups as blockers of the new tracking bug 48143.

gerritbot added a comment.May 8 2013, 11:34 AM

Related URL: https://gerrit.wikimedia.org/r/62804 (Gerrit Change Ie05a67c810755cd19bb59ae133efcc0e76b717ef)

gerritbot added a comment.May 13 2013, 10:28 AM

https://gerrit.wikimedia.org/r/62804 (Gerrit Change Ie05a67c810755cd19bb59ae133efcc0e76b717ef) | change APPROVED and MERGED [by Denny Vrandecic]

gerritbot added a comment.May 13 2013, 10:33 AM

Related URL: https://gerrit.wikimedia.org/r/63433 (Gerrit Change Ie05a67c810755cd19bb59ae133efcc0e76b717ef)

gerritbot added a comment.May 13 2013, 10:35 AM

https://gerrit.wikimedia.org/r/63433 (Gerrit Change Ie05a67c810755cd19bb59ae133efcc0e76b717ef) | change APPROVED and MERGED [by Tobias Gritschacher]

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