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Today's Topics:
1. Re: Wikidata-tech Digest, Vol 31, Issue 5 (Stas Malyshev)
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Message: 1
Date: Sun, 29 Nov 2015 16:54:29 -0800
From: Stas Malyshev <smalyshev@wikimedia.org>
To: Wikidata technical discussion <wikidata-tech@lists.wikimedia.org>
Subject: Re: [Wikidata-tech] Wikidata-tech Digest, Vol 31, Issue 5
Message-ID: <565B9E45.6090106@wikimedia.org>
Content-Type: text/plain; charset=utf-8
Hi!
> In Blazegraph, this could be supported by Quads or RDR (Reification Done
> Right).
We considered using RDR but decided against it because RDR is not
standard and existing tools and libraries would not understand it. So in
the interest of better data integration we decided to use regular RDF
representation that can be queries by standard SPARQL.
> One possible approach using triples for the use case could be to assign
> a blank node to a reference placeholder and introduce the valid range
> class for prov:wasDerivedFrom (prov:entity) with the canonical reference
> UUID like this:
I'm not sure I understand - what would doing this earn us? This looks
like just adding one more join to the lookups.
--
Stas Malyshev
smalyshev@wikimedia.org
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End of Wikidata-tech Digest, Vol 31, Issue 8
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