Wikidata:Property proposal/Life stage

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Life stage

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Originally proposed at Wikidata:Property proposal/Natural science

   Not done
DescriptionLife stage of an animal, plant, or other taxa
Data typeItem
Domainitem
Example 1Leptobatopsis mesominiata (Q2855459) has image (P18); needs qualifier life stage → adult (Q80994)
Example 2Chaoborus (Q2707905) has image (P18); needs qualifier life stage → larva (Q129270)
Example 3Tortula muralis (Q71869) has image (P18); needs qualifier life stage → sporophyte (Q647173)
Example 4Crocothemis nigrifrons (Q1318898) has characteristic (P1552) aquatic (Q441122) needs qualifier life stage → larva (Q129270)
Sourcephase of life (Q1811014)

Motivation

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My primary use case is as qualifiers for images of individuals on commons, i.e. but this may also be used for if there is an item about a particular life stage of an animal, i.e. Chaoborus (Q2707905), which is an image of the larval stage, probably because the larval form is more well known, though in most species the adults form is more well known. Mvolz (talk) 13:14, 21 December 2022 (UTC)[reply]

Discussion

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  • @ Mvolz: Can you fix up your examples so they look like Wikidata statements? They should have a subject item and then the value (which is presumably what your current list is of allowed values?) - if you intend this as a qualifier for images or something like that you may need to clarify more how it should be used. See other property proposals for how to do this. ArthurPSmith (talk) 19:42, 21 December 2022 (UTC)[reply]
@BlaueBlüte: We have a good number of items representing life stages of individual species, e.g. flaxseed (Q911332)  View with Reasonator View with SQIDView profile on Scholia, mouse embryo (Q105811019)  View with Reasonator View with SQIDView profile on Scholia, chicken embryo (Q70071341)  View with Reasonator View with SQIDView profile on Scholia. There are also some that represent life stages for larger taxonomic groups, e.g. tadpole (Q168525)  View with Reasonator View with SQIDView profile on Scholia or hatchling (Q2892050)  View with Reasonator View with SQIDView profile on Scholia. --Daniel Mietchen (talk) 21:10, 30 January 2023 (UTC)[reply]
https://www.ebi.ac.uk/ols4/ontologies/ecao/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FUBERON_0000105?lang=en has in UBERON "life cycle stage". If we create a new property reusing the Uberon name would likely be better than the one specifically for Drosophila. I however don't see that the added complexity of having two properties provides any benefit here. Changing the constraint works for this usecase and nobody showed that we would have a problem if we just reuse it here.
Given that the existing constraint was set automatically by a bot and not by any human I just changed it to allow usage on qualifiers. ChristianKl18:31, 20 April 2024 (UTC)[reply]
  •  Not done, no consensus of proposed property at this time based on the above discussion. Regards, ZI Jony (Talk) 12:30, 22 May 2024 (UTC)[reply]
  • Belated  Support for "life stage" or "life cycle stage" (which should be synonyms) as a notable subclass of "biological phase". @ZI Jony, ChristianKl, Mvolz: Now that some of the above issues have been clarified, maybe it would be clearer for this discussion to be restarted focusing specifically on that proposal. Sj (talk) 11:47, 25 May 2024 (UTC)[reply]
    @Sj: It's not possible to subclass properties in a meaningful way. There's such a thing as subproperty of (P1647) but that doesn't have the same support that subclass has. SPARQL and Constraints for example don't work well with subproperty of (P1647). Subproperties are more costly than subclasses and thus it doesn't make sense to use them as liberally as subclasses within Wikidata. Nobody articulated any benefit from having two separate properties. ChristianKl17:49, 25 May 2024 (UTC)[reply]