|Glorian_Yapinus created this task.|
Glorian_Yapinus added projects: Wikidata, Wikidata-Gadgets.
Herald added a subscriber: Aklapper.
Many external identifier systems support the concept of merging two or more identifiers and redirecting all references to the "losers" to the "winning" canonical identifier.
In October 2015 users asked that two of these cases be handled: OpenLibrary and MusicBrainz
The MusicBrainz example, Nirvana's Polly has 485 suggested IDs which take many hours, perhaps days, to clear with the current UI.
I'm more familiar with the OpenLibrary/Freebase history and know that the OL identifiers were imported before OpenLibrary had implemented their "Merge Author" functionality, so it's known that a large number of the topics with multiple IDs now redirect to a single OL URL at openlibrary.org. The merge process is incomplete though, so there may still be unmerged IDs, which I would suggest be retained.
As I'm familiar with both OpenLibrary and Freebase, I'm happy to create a translation table for OL identifiers if that would help fix this.
While there may be value in having all available identifiers (that's a more general Wikidata issue), I personally think it's out-of-scope. Regardless, they can be filled in automatically once a human has confirmed the initial match.
Examples of merged IDs: http://tools.wmflabs.org/wikidata-primary-sources/entities/Q991?state=wrong
Example of duplicate OL ID which has not yet been merged: https://openlibrary.org/authors/OL7178469A/Fyodor_Dostoyevsky
The canonical ID is OL22242A
Cc: Glorian_Yapinus, Aklapper, dachary, D3r1ck01, Izno, Wikidata-bugs, aude, Ricordisamoa, Sjoerddebruin, Mbch331
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