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DS Catalog:SPARQL Query Service/example queries: Difference between revisions
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DS Catalog:SPARQL Query Service/example queries (view source)
Revision as of 18:17, 17 June 2024
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===Terms (Genres and Subjects)=== | ===Terms (Genres and Subjects)=== | ||
<syntaxhighlight lang="SPARQL"> | |||
# prefixes | |||
PREFIX wd: <https://catalog.digital-scriptorium.org/entity/> | |||
PREFIX wds: <https://catalog.digital-scriptorium.org/entity/statement/> | |||
PREFIX wdv: <https://catalog.digital-scriptorium.org/value/> | |||
PREFIX wdt: <https://catalog.digital-scriptorium.org/prop/direct/> | |||
PREFIX p: <https://catalog.digital-scriptorium.org/prop/> | |||
PREFIX ps: <https://catalog.digital-scriptorium.org/prop/statement/> | |||
PREFIX pq: <https://catalog.digital-scriptorium.org/prop/qualifier/> | |||
PREFIX wikibase: <http://wikiba.se/ontology#> | |||
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> | |||
SELECT ?authorityValue ?authorityValueLabel ?authorityTypeLabel ?externalID | |||
WHERE { | |||
BIND (wd:Q11 as ?authorityType) # term authority (genre and subject terms) | |||
?authorityValue wdt:P16 ?authorityType . | |||
# find authority records by authority type specified above | |||
OPTIONAL { ?authorityValue wdt:P44 ?externalID . } | |||
# find external IDs matched to authority value | |||
SERVICE wikibase:label { | |||
bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" . | |||
# allows English language labels to be returned for Wikibase items | |||
} | |||
} | |||
ORDER BY ASC (?authorityValueLabel) | |||
</syntaxhighlight> | |||
==Dated Classification Generator== | ==Dated Classification Generator== | ||