Wikidata:Property proposal/GSAFD ID

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GSAFD ID[edit]

Originally proposed at Wikidata:Property proposal/Creative work

   Done: GSAFD ID (P11943) (Talk and documentation)
Descriptionidentifier for a genre/form term in GSAFD (Guidelines on Subject Access to Individual Works of Fiction, Drama, etc.)
RepresentsGuidelines on Subject Access to Individual Works of Fiction, Drama, etc. (Q112606826)
Data typeExternal identifier
Domainitem; literary genre (Q223393), film genre (Q201658), television genre (Q15961987), radio genre (Q15961983), document genre (Q107478770)
Example 1animated film (Q202866) → GSAFD000007 (OCLC) and 7 (TemaTres)
Example 2Bildungsroman (Q223945) → GSAFD000014 (OCLC) and 14 (TemaTres)
Example 3didactic drama (Q111096611) → GSAFD000026 (OCLC) and 26 (TemaTres)
Example 4erotic poetry (Q56239988) → GSAFD000039 (OCLC) and 39 (TemaTres)
Example 5comedy television program (Q7696995) → GSAFD000024 (OCLC) and 24 (TemaTres)
Example 6radio serial (Q3956369) → GSAFD000103 (OCLC) and 103 (TemaTres)
Example 7utopian fiction (Q112075077) → GSAFD000139 (OCLC) and 139 (TemaTres)
Sourcehttp://experimental.worldcat.org/gsafd/ and https://www.vocabularyserver.com/gsafd/ and https://www.library.northwestern.edu/public/gsafd/
Planned usewill add to existing items for literary, film, television, and radio genres
Number of IDs in source153
Expected completenesseventually complete (Q21873974)
Formatter URLhttp://experimental.worldcat.org/gsafd/$1.html (OCLC version) and https://www.vocabularyserver.com/gsafd/index.php?tema=$1 (TemaTres version)
See alsoLibrary of Congress Genre/Form Terms ID (P4953)
Applicable "stated in"-valueGuidelines on Subject Access to Individual Works of Fiction, Drama, etc. (Q112606826)

Motivation[edit]

Guidelines on Subject Access to Individual Works of Fiction, Drama, etc. (Q112606826) is a controlled vocabulary of 153 genre/form terms for literature, film, television, and radio, used by many libraries in English-speaking countries and elsewhere. The list was created and originally published in print by the American Library Association. Subsequently, authority records for the terms were created by OCLC, and a search interface was created for them at http://experimental.worldcat.org/gsafd/. The vocabulary is also available through TemaTres at https://www.vocabularyserver.com/gsafd/. I am not sure whether it is possible to have one property that links to two different URLs, so advice on whether one property or two is needed would be much appreciated. UWashPrincipalCataloger (talk) 00:13, 17 June 2022 (UTC)[reply]

I don't believe it is possible for a single property to have two separate URI's in RDF. If both URI's are needed, we would need two separate but identical-except-for-the-URI properties, which in my mind is not the best linked data practice. Maybe the situation could be improved with some assertions that they are equivalent properties. I lean towards including only the TemaTres URI's to create a single property, and excluding the experimental OCLC URI's. It appears that OCLC's commitment to maintaining the vocabulary is temporary. They may continue to support, and they may not. I hadn't read anything about TemaTres before, but it appears that it's open source, well-maintained, and intends to be stable rather than experimental. That's just my impression, though. What are your reasons for including both sources? --Crystal Clements, University of Washington Libraries (talk) 01:55, 17 June 2022 (UTC)[reply]
I don't know how "experimental" OCLC's search service is, as it has been available for seven years or more now. My reasoning to have both would just be to provide access to both sources, but if there's no way to format a single ID to use for the property then one of them would have to be selected. UWashPrincipalCataloger (talk) 17:58, 17 June 2022 (UTC)[reply]
I agree with UWashPrincipalCataloger that OCLC datasets and websites are very stable. But IMHO:
I also added a third source as cited in TemaTres. @UWashPrincipalCataloger: Can you figure out which of the 3 is most authoritative?
--Vladimir Alexiev (talk) 17:43, 19 March 2023 (UTC)[reply]
@Vladimir Alexiev: I think the OCLC interface is the most authoritative and TemaTres was derived from it. The vocabulary is no longer being maintained. That is, no new terms or revisions will be made to it, because the vocabulary was created to be published in a print book by the American Library Association, and since then a new more detailed and comprehensive list of genre/form terms was created and is being maintained by the Library of Congress, the Library of Congress Genre/Forms (https://www.loc.gov/aba/publications/FreeLCGFT/freelcgft.html), which already has a property in Wikidata: Library of Congress Genre/Form Terms ID (P4953). AdamSeattle (talk) 18:58, 20 March 2023 (UTC)[reply]
is the LCFGT a superset of GSAFD? Then I'll vote against GSAFD. Vladimir Alexiev (talk) 18:27, 21 March 2023 (UTC)[reply]
No, these are two completely separate vocabulary lists. The LCGFT does contain many more terms than GSAFD does, though. GSAFD is still used by libraries and in library catalogs to describe the genre of literary and moving image works. AdamSeattle (talk) 06:52, 23 April 2023 (UTC)[reply]

Discussion[edit]

UWashPrincipalCataloger, please clarify in the proposal template whether the value for the property should be the OCLC-based identifier or the TemaTres one. Harej (talk) 15:06, 2 July 2023 (UTC)[reply]

I believe that the OCLC-based identifier is the canonical value. The vocabularyserver.com was derived from the OCLC metadata. The vocabularyserver.com is actually more useful, however, because it provides hierarchical relationships of broader and narrower terms. Given that this vocabulary is not being added to or revised, the vocabularyserver.com is probably a more useful identifier to use. AdamSeattle (talk) 22:30, 8 August 2023 (UTC)[reply]
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