Il 07/giu/2015 17:19, "Markus Krötzsch" <mar...@semantic-mediawiki.org> ha scritto: > > Coming back to Magnus's suggestion ... I think the existing property "retrieved" (P813) could be used for this "last verified on" property, that is, for setting the time a which some external reference was last compared to a claim in Wikidata. > > Magnus also pointed out that many external IDs are "self-verifying" in that they are their own reference. The situation is somewhat similar for homepages. Should we adopt the practice of giving a single retrieved value (without any further information) as the reference for such cases? > > Adding P813 dates more widely would also open up new ways of maintaining data, since one would have a way to filter statements by how long ago they had last been checked.
Sounds ok, but how will we do it? And should we wait for the identifier datatype to be ready? L.
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