User:Reosarevok/Wikidata Example Queries: Difference between revisions
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Reosarevok (talk | contribs) (Created page with "These are example queries for the [https://query.wikidata.org/ Wikidata SPARQL endpoint] [https://query.wikidata.org/#%23Select%20composers%20who%20don%27t%20have%20a%20Musi...") |
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SERVICE wikibase:label { bd:serviceParam wikibase:language "en" } |
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" } |
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} |
} |
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</nowiki> |
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[https://query.wikidata.org/#%23Composers%20who%20don%27t%20have%20a%20MusicBrainz%20ID%20stored%2C%20sorted%20by%20number%20of%20compositions%0ASELECT%20%28COUNT%28%3Fcomposition%29%20AS%20%3Fcount%29%20%3FcomposerLabel%20%3Fcomposer%20%0AWHERE%20%7B%20%0A%20%20%20%20%3Fcomposer%20wdt%3AP106%20wd%3AQ639669%20.%0A%20%20%09MINUS%20%7B%20%3Fcomposer%20wdt%3AP434%20%5B%5D%20%7D%20.%0A%20%20%20%20%7B%0A%20%20%20%20SELECT%20%3Fcomposer%20%28COUNT%28%3Fcomposition%29%20AS%20%3Fcount%29%0A%20%20%20%20WHERE%0A%20%20%20%20%7B%0A%20%20%20%20%20%20%3Fcomposition%20wdt%3AP86%20%3Fcomposer%20.%0A%20%20%20%20%7D%0A%20%20%20%20GROUP%20BY%20%3Fcomposer%20%7D%0A%20%20%0A%20%20SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22en%22%20%7D%0A%7D%0AORDER%20BY%20DESC%28%3Fcount%29 People who have composed at least one work that is in Wikidata and have no MBIDs, sorted by number of works] |
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<nowiki> |
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SELECT ?composer ?composerLabel ?count |
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WHERE |
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{ |
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{ |
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SELECT ?composer (COUNT(?composition) AS ?count) |
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WHERE |
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{ |
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?composition wdt:P86 ?composer; |
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MINUS { ?composer wdt:P434 [] } . |
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} |
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GROUP BY ?composer |
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} |
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SERVICE wikibase:label { bd:serviceParam wikibase:language "en". } |
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} |
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ORDER BY DESC(?count) |
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</nowiki> |
</nowiki> |
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Revision as of 13:54, 9 March 2017
These are example queries for the Wikidata SPARQL endpoint
All composers who don't have a MusicBrainz ID stored
For "musicians" instead of "composers", change Q36834 to Q639669.
SELECT ?entityLabel ?entity {
?entity wdt:P106 wd:Q36834 .
MINUS { ?entity wdt:P434 [] } .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
Composers born somewhere in Germany who don't have a MusicBrainz ID stored
SELECT ?entityLabel ?entity {
?entity wdt:P106 wd:Q36834 .
?entity wdt:P19 ?place .
?place wdt:P17 wd:Q183 .
MINUS { ?entity wdt:P434 [] } .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
SELECT ?composer ?composerLabel ?count
WHERE
{
{
SELECT ?composer (COUNT(?composition) AS ?count)
WHERE
{
?composition wdt:P86 ?composer;
MINUS { ?composer wdt:P434 [] } .
}
GROUP BY ?composer
}
SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
ORDER BY DESC(?count)
