Kömək:P2091

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This page is a translated version of the page Help:P2091 and the translation is 13% complete.
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Help page for World Rowing ID (P2091) View with SQID. This help page will be included in Property talk:P2091. Please be careful editing it not to break the included page.

World Rowing ID (P2091) is a simple authority control property to link Wikidata items to entries in the World Rowing athlete database (Q21008628). This database is operated by World Rowing (Q684885) (formerly known as FISA), the international governing body of rowing (Q159354), and contains the most complete set of data about international rowing persons and rowing events which is publicly available.

On 17 December 2020, World Rowing (Q684885) relaunched their website and issued a new Universally Unique Identifier (Q195284) for all rowers; these may be found in the Wikidata property World Rowing UUID (P8990).

On 9 January 2021, World Rowing (Q684885) returned to using the previous numeric identifier (Q93868746) for all rowers, may be found in the Wikidata property World Rowing ID (P2091).

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To use this property, you need to determine the identifier in the World Rowing database: let’s consider the example of the Olympic champion Kim Brennan (Q576663); the profile about her can be found at:

http://web.archive.org/web/20201004003834/http://www.worldrowing.com/athletes/athlete/24665/
https://www.worldrowing.com/athlete/24665/

The yellow part is the identifier to use within this property, while the remaining part of the URL is defined within the property page World Rowing ID (P2091) using the formatter URL (P1630) property.

FISA maintains a pretty nice database which comprises data of around 50 000 persons (as of February 2019); however, in roughly 1–2% of the cases there are multiple entries for the same person (amount estimated). This means that one needs to add multiple values for this property within an item, which in turn violates the single-value constraint (Q19474404) defined by a property constraint (P2302) statement on Property:P2091. In case of multiple IDs for one person, qualify each identifier with a subject named as (P1810) qualifier using the database entry title (do not use the all-uppercase family names from the database). We want to avoid using exception to constraint (P2303) qualifiers to the single-value constraint (Q19474404).

In case of multiple values it is also important to set proper ranks for the individual claims. If all important information about a person is contained within a single profile out of the available profiles, then mark the important claim with preferred rank. There are cases, however, in which this is not possible and the information is distributed across multiple important profiles. All of them should use the normal rank. Deprecated rank should not be used at all for any value that has been valid in the past.

Please also add empty profiles which often do not contain much more than a person’s name. We do not know whether FISA will start to add content to database entries which are still (almost) empty.

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Within Wikidata this property is used to link against FISA’s database and to identify multiple items per person (via the distinct-values constraint (Q21502410), defined by a property constraint (P2302) statement on Property:P2091). Identifiers can also be queried using the common query tools for applications outside Wikimedia.

On Wikipedias, there are typically templates available (such as Template:World Rowing (Q14334032) and others, see {{ExternalUse}} template on Property talk:P2091) which either store the same identifier locally within the Wikipedia, or take the data from Wikidata by using the {{#property:P2091}} or {{#statements:P2091}} parser function or more sophisticated functions of Module:Wikidata (Q12069631) and others. In case of the existence of a local value, one can also compare it to the Wikidata value and make use of maintenance categories, which are linked from the {{Property documentation}} template on Property talk:P2091. However, be aware that in case of an item with multiple claims, of which none is the primary one marked with preferred rank, you also might get multiple values if you pull this information from Wikidata.

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This property is maintained by WikiProject Rowing.