On 22 Jun 2012, at 17:20, Denny Vrandečić denny.vrande...@wikimedia.de wrote:
Here's the use case:
Every statement in Wikidata will have a URI. Every statement can have
one more references.
In many cases, the reference might be text on a website.
As an aside, a growing number of such pages may come with some basic
machine-readable data. For example IMDB actor pages may expose basic background
facts, or e-govt sites may publish data geo/demographic/etc data.
I hope schema.org (augmented with Wikidata-derrived vocab) will help encourage
this. I'm not sure Wikidata's provenance machinery needs to worry about such
things, although the lurking problem of cycles in the provenance/source graph
may eventually be an issue here. For example, if some BBC music site is built
from -say- MusicBrainz + Wikipedia data, should their embedded rdfa expose this
sourcing so that someone citing it in support of a Wikidata factoid can be made
aware of the circularity?
Dan
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