Project:SPARQL/examples
From geokb
Organizations
Classification of organizations
The following query uses these:
PREFIX wdt: <https://geokb.wikibase.cloud/prop/direct/>
PREFIX wd: <https://geokb.wikibase.cloud/entity/>
SELECT ?item ?itemLabel ?subclass_of ?subclass_ofLabel
WHERE {
{
wd:Q50862 wdt:P2* ?item .
?item wdt:P2 ?subclass_of .
} UNION {
?item wdt:P2* wd:Q50862 ;
wdt:P2 ?subclass_of .
}
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
}
USGS Organizations
The following query uses these:
PREFIX wd: <https://geokb.wikibase.cloud/entity/>
PREFIX wdt: <https://geokb.wikibase.cloud/prop/direct/>
SELECT ?item ?itemLabel ?item_alt_label ?instance_ofLabel
(GROUP_CONCAT(?url; separator=",") AS ?urls)
WHERE {
?org_types wdt:P2 wd:Q50862 . # Gets subclasses of USGS organization
?item wdt:P1 ?org_types ; # Gets items in those classes
wdt:P1 ?instance_of . # Gets the individual instance of classification
OPTIONAL {
?item skos:altLabel ?item_alt_label . # Retrieves alternate labels into separate rows
FILTER (lang(?item_alt_label)='en')
}
OPTIONAL {
?item wdt:P145 ?url . # Get all reference URLs when available
}
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
}
GROUP BY ?item ?itemLabel ?item_alt_label ?instance_ofLabel