Wikidata

Wikidata:Property proposal/PeriodO definition ID

< Wikidata:Property proposal

PeriodO definition ID edit

Originally proposed at Wikidata:Property proposal/Authority control

   Not done
Descriptionidentifier for named temporal periods by a specific authority in the PeriodO gazetteer of period definitions.
Representsconcept (Q151885)
Data typeExternal identifier
Domainentity (Q35120)
Allowed values11 digit alphanumeric
Allowed unitsnone
Examplep09xsbnfxsx
Sourcehttp://perio.do/
Formatter URLhttp://n2t.net/ark:/99152/$1
Motivation

Represent natural-language references to named temporal periods as structured data with spatiotemporal coordinates, permit transparent assertion of authority and spatiotemporal extent for named temporal periods Susanna Ånäs (Susannaanas) (talk) 20:40, 4 December 2017 (UTC)[reply]

The project PIs Adam Rabinowitz and Ryan Shaw will complement the information as needed. Susanna Ånäs (Susannaanas) (talk) 14:15, 5 December 2017 (UTC)[reply]
(moved from description): PeriodO data contributors include the British Museum, the ARIADNE project, the Digital Index of North American Archaeology, the German Archaeological Institute, the Archaeology Data Service (UK), English Heritage, the Hypermedia Research Unit at the University of South Wales, the Pleiades spatial gazetteer, Fasti Online, the UCLA Encyclopedia of Egyptology, the Levantine Ceramics Project, the China Historical GIS, the Portable Antiquities scheme, and a number of other projects and individuals. Other definitions were gathered from published sources in print or on line (e.g. the US Library of Congress). The PeriodO project was developed with grants from the NEH and IMLS, and is co-directed by Adam Rabinowitz (University of Texas at Austin) and Ryan Shaw (University of North Carolina at Chapel Hill), with the support of the University of Texas Libraries. (end of moved text) ArthurPSmith (talk) 18:08, 19 March 2018 (UTC)[reply]
Discussion
@Susannaanas: Since Adam Rabinowitz and Ryan Shaw have not added any information, please add a few examples. Else the proposal will fail :-( --Vladimir Alexiev (talk) 14:34, 1 March 2018 (UTC)[reply]
  •   CommentI have poked around on the PeriodO site. I found three different PeriodO IDs for "Axis occupation, 1941-45" of Yugoslavia (with some variants as to which regions are covered). Likewise, there are ~20 items for "Bronze Age" with different dates by location. How do you propose to handle these in Wikidata? - PKM (talk) 23:18, 11 March 2018 (UTC)[reply]
  • The Bronze Age is a great example of the problems that this property could cause in Wikidata. Period0 has items about the Bronze Age with labels in multiple languages but referring to the same period (although with slight variance in the start and end dates). For example, there are three items specifically about the Bronze Age in Denmark - Bronzealder (-1700 to -500), Bronze Age (-1700 to -500) and Bronze Age (-1700 to -501) - and they are (almost) equivalent terms from different sources. I'm not necessarily against creating this property but I find it difficult to support as is because of the lack of authority control and I need some reassurance that it is possible for us to satisfactorily handle duplicated and overlapping items in the source database. Simon Cobb (Sic19 ; talk page) 18:28, 2 April 2018 (UTC)[reply]
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