Property talk:P5337

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Google News topics ID
identifier for a subject in the news on Google News

Applicable "stated in" value	Google News (Q12020)
Data type	External identifier
Allowed values	[a-zA-Z0-9]+
Example	Giant panda (Q33602) → CAAqIQgKIhtDQkFTRGdvSUwyMHZNRE5pYWpFU0FtVnVLQUFQAQ Patrick Vieira (Q46347) → CAAqIggKIhxDQkFTRHdvSkwyMHZNREZvWm1oZkVnSmxiaWdBUAE Argentina (Q414) → CAAqIAgKIhpDQkFTRFFvSEwyMHZNR3BuWkJJQ1pXNG9BQVAB
Source	https://news.google.com/
Formatter URL	https://news.google.com/topics/$1 https://news.google.com/rss/topics/$1
Tracking: usage	Category:Pages using Wikidata property P5337 (Q55691218)
See also	Google News publication ID (P6157), X topic ID (P8672), Reddit topic ID (P11137)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P5337 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 9,074 Main statement 9,057 99.8% of uses Qualifier 3 <0.1% of uses Reference 14 0.2% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: mathematics (Q395)
List of violations of this constraint: Database reports/Constraint violations/P5337#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P5337#Unique value, SPARQL (every item), SPARQL (by value)

Format “CAA[a-zA-Z0-9_]{10,80}”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P5337#Format, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P5337#Entity types

Format “CAA.+|”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P5337#Format, hourly updated report, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P5337#Scope, SPARQL

Label required in languages: en: Entities using this property should have labels in one of the following languages: en (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P5337#Label in 'en' language, search, SPARQL

Pattern ^https://news\.google\.com/topics/(CAA[a-zA-Z0-9_]{10,80})\?.+$ will be automatically replaced to \1. Testing: TODO list

About the label and "Single value"

1. It may be better if named "Google News subject ID".
2. I found that the topic ID is language-dependent, so Giant panda (Q33602) may be Giant panda, 大熊猫 (For search result in Chinese), ジャイアントパンダ (Japanese) and more. These topics seem to be the same, the topic label depends on the subject ID, and the content is in accordance with the display language.

--YFdyh000 (talk) 12:26, 19 June 2018 (UTC)

Perhaps it'll be better if this property allows multiple values, but each value must have a qualifier for language...

Btcprox (talk) 08:34, 9 January 2019 (UTC)

How to find?

What is the easiest way to figure out the topic ID from a search? Ainali (talk) 12:25, 7 August 2020 (UTC)

@Ainali:, topic id is directly computed from Google Knowledge Graph ID (P2671) and Freebase ID (P646), so there are literally millions of automatically generated topics for each entity. This also means that there are millions of topics without a single news piece (yet or ever). You can use [1] or [2] to get topic ids (first link is slightly better, as it generates links with more common language code "en", instead of "en-US"). Sometimes it is very language+region dependent, for example Kyoko Fukada has 1 article in English, many in Japanese, none in Russian (but label is translated). So there are 3 ways to deal with it:

1. Visit related RSS-feeds in English, and add topics, if topic is popular (but what is popular?)
2. Occam's razor: delete this property, as Wikidata does not add any useful information with it.
3. Build a middleware, which extracts all RSS-feeds, sorts them by popularity and provides links to most popular ones.

--Lockal (talk) 09:48, 25 January 2021 (UTC)