Project:SPARQL/examples

From geokb

Organizations

Classification of organizations

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" . }
}

Try it!


USGS Organizations

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

Try it!