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== Federated query with Wikidata == | == Federated query with Wikidata == | ||
# Occupations from SNARC with additional information on Subclass from Wikidata (Library of congress ID from both) | # Occupations from SNARC with additional information on Subclass from Wikidata (Library of congress ID from both) | ||
SELECT ? | <syntaxhighlight lang="sparql"> | ||
PREFIX wikibase: <http://wikiba.se/ontology#> | |||
PREFIX snarcp: <https://snarc-llgc.wikibase.cloud/prop/direct/> | |||
PREFIX snarcq: <https://snarc-llgc.wikibase.cloud/entity/> | |||
PREFIX wdt: <http://www.wikidata.org/prop/direct/> | |||
PREFIX wd: <http://www.wikidata.org/entity/> | |||
? | PREFIX bd: <http://www.bigdata.com/rdf#> | ||
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> | |||
SELECT DISTINCT ?item ?itemLabel ?wikidataid ?libcongid ?subclas ?subclaslabel ?libcongwikidata WHERE { | |||
?item snarcp:P7 snarcq:Q63 . | |||
?item snarcp:P62 ?wikidataid . | |||
?item snarcp:P11 ?libcongid | |||
SERVICE <https://query.wikidata.org/sparql>{ | |||
?wikidataid wdt:P279 ?subclas. | |||
?subclas rdfs:label ?subclaslabel . | |||
FILTER(LANG(?subclaslabel) = "en"). | |||
?subclas wdt:P244 ?libcongwikidata . | |||
} | |||
SERVICE wikibase:label { bd:serviceParam wikibase:language "en". } | |||
} | } | ||
</syntaxhighlight> |