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Querying: Difference between revisions
→Federated query with Wikidata
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== Federated query with Wikidata == | == Federated query with Wikidata == | ||
For every sanjak in Ottgaz, this query fetches the vilayet or eyalet to which Wikidata says it belongs. Thanks to Lucas Werkmeister for help. [https://tinyurl.com/2hwkfuza run] | |||
PREFIX wd: <https://ottgaz.org/entity/> | PREFIX wd: <https://ottgaz.org/entity/> | ||
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PREFIX wd-wdt: <http://www.wikidata.org/prop/direct/> | PREFIX wd-wdt: <http://www.wikidata.org/prop/direct/> | ||
SELECT ?sancak ?vilayet | SELECT ?sancak ?sancakLabel ?vilayet ?vilayetLabel | ||
WHERE | WHERE { | ||
?sancak wdt:P6 wd:Q4 . # item must be a sanjak | |||
?sancak wdt:P4 ? | ?sancak wdt:P4 ?c . # finds reference URL to wikidata | ||
BIND(IRI(REPLACE(REPLACE(REPLACE(STR(?c), "Property:", ""), "/wiki/", "/entity/"), "https://", "http://")) AS ?wd_c) # produces proper URL for query form | |||
SERVICE <https://query.wikidata.org/sparql> { | |||
?wd_c wd-wdt:P131 ?vilayet . # finds containing vilayet in Wikidata | |||
SERVICE wikibase:label { | |||
bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". | |||
?vilayet rdfs:label ?vilayetLabel. # finds label in Wikidata | |||
} | } | ||
} | |||
SERVICE wikibase:label { | |||
bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". | |||
?sancak rdfs:label ?sancakLabel. # finds label in Ottgaz | |||
} | |||
} | } | ||