Sorry, I should have been clearer that I was talking about *external* identifiers, not Wikidata identifiers/items.
For example, the three MusicBrainz IDs listed here: https://www.wikidata.org/wiki/Q78517#revision=254297158 Is that allowed? Encouraged? I'm hoping that the answer is yes to both. Tom On Wed, Sep 30, 2015 at 6:48 PM, Addshore <[email protected]> wrote: > > > On 30 September 2015 at 20:58, Tom Morris <[email protected]> wrote: > >> I think I've seen something somewhere saying that the prevailing >> sentiment is that obsolete identifiers which are just redirects to a new >> identifier should be removed. >> > > I hope not. See my post at > http://addshore.com/2015/04/redirects-on-wikidata/ Redirects should > remain! > > Also see http://addshore.com/2015/09/un-deleting-500000-wikidata-items/ > > >> >> There's also the case of sites like MusicBrainz which keep the >> non-canonical IDs without redirecting to the canonical ID, but will tell >> you which ID is preferred, e.g. Fritz Kreisler >> <https://www.wikidata.org/wiki/Q78517#revision=254297158> >> >> https://musicbrainz.org/artist/590fcad4-2ba4-43bc-a22f-a4bb9b496fe8 >> https://musicbrainz.org/artist/627ac6c2-ee5c-4120-8af3-ab00345447f5 >> https://musicbrainz.org/artist/bf6d6ce1-ce88-40e6-9424-11d11d2e54ea >> >> where all the tabs for the second two pages actually point to the first, >> canonical entry. >> >> Is there an established policy for either the redirect or non-redirect >> case? >> > > See > https://www.wikidata.org/wiki/Wikidata:Deletion_policy#Deletion_of_items_.28Phase_I.29 > which says "Items should not be deleted when - The item redirects to > another item" > > Also see https://www.wikidata.org/wiki/Help:Merge#Create_redirect which > says redirects should be created when items are merged > > >> >> I'd argue that even the obsolete identifiers are useful for inbound >> resolution and reconciliation. Aggressively pruning them just makes more >> work for people, because they must resolve the identifier that they have in >> hand to its canonical form (probably by hitting the issuing authority) >> before using it for Wikidata lookups. >> >> What do others think? >> >> Tom >> >> _______________________________________________ >> Wikidata mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/wikidata >> >> > > > -- > Addshore > > _______________________________________________ > Wikidata mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikidata > >
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