Help

SPARQL/test

< Help:SPARQLThis page is a temporary demo showcasting new support for Wikidata Query Service.


Lingualibre

#defaultEndpoint:Lingualibre
SELECT
(COUNT(DISTINCT ?speaker) AS ?speakers)
(COUNT(DISTINCT ?record) AS ?records)
WHERE {
  ?record prop:P2 entity:Q2 .
  ?record prop:P6 ?date .
  ?record prop:P5 ?speaker .
  # Filters:
  FILTER(?date >= "2018-07-01T00:00:00Z"^^xsd:dateTime)
  FILTER(?date < "2019-01-01T00:00:00Z"^^xsd:dateTime)
}
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Wikidata

To run on WDQS.[1]

#defaultEndpoint:Wikidata
SELECT DISTINCT ?item ?itemLabel
WHERE {
  ?item p:P31 ?statement0.
  ?statement0 (ps:P31/(wdt:P279*)) wd:Q34228.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE]". }
}
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Francophones

To run on DFQS.[2]

#defaultEndpoint:Francophones
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT * WHERE {
  ?sub ?pred ?obj .
} LIMIT 10
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Issue

See https://github.com/lingua-libre/QueryViz/pull/6#event-8827350657

Commons

To run on WCQS.[3]

#defaultEndpoint:Commons
SELECT ?item
WHERE { 
  ?item wdt:P31 wd:Q108167708 . # Filter: P31 'instance of' Q108167708 'record'
  ?item wdt:P407 wd:Q1860 .     # Filter: P407 'language' is Q1860 'English'
  ?item wdt:P9533 "apple"@en.   # Filter: P9533 'transcription' is "apple"
}
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Issue

Wikimedia Commons Query Service's end point rejects external queries :

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://commons.wikimedia.org/wiki/Special:OAuth/authenticate?oauth_token=b0685605ac44eb315c2571d1a0fb43db. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing). Status code: 302.

According to commons:Commons:SPARQL_query_service#Release_notes :

OAuth is currently not working. See https://stackoverflow.com/questions/65303450/how-to-authenticate-to-wikimedia-commons-query-service-using-oauth-in-python#comment115828158_65424900. This is so that we can contact abusive bots and/or users and block them selectively as a last resort if needed.

See also phab:T297995.

References

Lingua Libre technical helps
Template {{Speakers category}} • {{Recommended lists}} • {{To iso 639-2}} • {{To iso 639-3}} • {{Userbox-records}} • {{Bot steps}}
Audio files How to create a frequency list?Convert files formatsDenoise files with SoXRename and mass rename
Bots Help:BotsLinguaLibre:BotHelp:Log in to Lingua Libre with PywikibotLingua Libre Bot (gh) • OlafbotPamputtBotDragons Bot (gh)
MediaWiki MediaWiki: Help:Documentation opérationelle MediawikiHelp:Database structureHelp:CSSHelp:RenameHelp:OAuthLinguaLibre:User rights (rate limit) • Module:Lingua Libre record & {{Lingua Libre record}}JS scripts: MediaWiki:Common.jsLastAudios.jsSoundLibrary.jsItemsSugar.jsLexemeQueriesGenerator.js (pad) • Sparql2data.js (pad) • LanguagesGallery.js (pad) • Gadgets: Gadget-LinguaImporter.jsGadget-Demo.jsGadget-RecentNonAudio.js
Queries Help:APIsHelp:SPARQLSPARQL (intermediate) (stub) • SPARQL for maintenance (stub) • Lingualibre:Wikidata (stub) • Help:SPARQL (HAL)
Reuses Help:Download datasetsHelp:Embed audio in HTML
Unstable & tests Help:SPARQL/test
Categories Category:Technical reports