Wikidata:Properties for deletion/P2580

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P2580 (P2580)[edit]

The following discussion is closed. Please do not modify it. Subsequent comments should be made in a new section. A summary of the conclusions reached follows.

Delete. Only one non-COI, non-sock editor has argued to retain this property. — Martin (MSGJ · talk) 22:41, 17 February 2022 (UTC)[reply]

P2580 (P2580): (delete | history | links | entity usage | logs)

The IDs used for this property are not stable. Some IDs consist of names, others of name+date, VIAF or GND. They are changing regularly. Example:

All three formatter URL (P1630) are marked as "link death". The BBLD user is blocked but still active (using sock puppets and different IPs) and produced a lot of confusion on Wikidata and German Wikipedia (de:Vorlage Diskussion:BBLD). Imho this property should be deleted. Although the BBLD may be useful the IDs imported to Wikidata are useless. —Kolja21 (talk) 14:09, 31 August 2019 (UTC)[reply]

Probably other sock puppet: User:Juliuseberhard. --Kolja21 (talk) 02:13, 1 September 2019 (UTC)[reply]

Imho both items can be merged. See also Property talk:P227/Duplicates with more items created because of constantly changing BBLD IDs (using different spellings, ISNI, VIAF now GND). --Kolja21 (talk) 00:49, 17 January 2020 (UTC)[reply]
@Kolja21: m:Steward_requests/Checkuser/2020-02#Tobias_Conradi_(or_影武者?)@wikidata tells me  unlikely. --Liuxinyu970226 (talk) 01:58, 25 February 2020 (UTC)[reply]
  •  Keep. The central maintenance of the BBLD IDs in Wikidata is easier than maintenance in individual Wikipedias, deleting the property would increase the workload for Wikipedia editors in the field of Baltic Germans.
The BBLD IDs are used for creating references in
  1. Wikidata, where it is often the only reference apart from VIAF (P214) and the GND (P227) - for the items in question the VIAF record is frequently based on the GND record and the GND record on the BBLD record
  2. Wikipedias // Google evidence
  3. the GND (authority file, hosted by the German National Library) // Google evidence
  4. publicly financed projects like the Deutsche Biographie, a major biographical publication // Google evidence
  5. privately owned projects like Geni.com, which is also used in Wikidata (d:Property:P2600) // Google evidence.
The BBLD is a continuation of the DBBL (Deutschbaltisches biographisches Lexikon 1710-1960) which is frequently cited in the NDB for items about Baltic Germans. Both works are cited in scientific publications.
If IDs have been deprecated they should be either marked as such - the ("list of Wikidata reasons for deprecation") could indicate that marking values as deprecated is possible in Wikidata - or if no verifiable source is found they should be deleted.
David Feest, spokesperson of the Baltic Historical Commission for the BBLD and a reader of Wikipedia. Davidfeest (talk) 07:52, 20 January 2020 (UTC)[reply]
  •  Comment I would like to make clear that whoever the said "BBLD user" is, he is neither working for the Baltic Historical Commission, nor is he in any way involved in the BBLD project of the commission. David Feest, board member of the Baltic Historical Commission Davidfeest (talk) 08:25, 13 August 2021 (UTC)[reply]

Implementation notes[edit]

The above discussion is preserved as an archive. Please do not modify it. Subsequent comments should be made in a new section.
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