View source for Project:Useful Queries

= Example Queries =

Query Service: {{MediaWiki:QueryServiceURL}}


== Select item that contains certain string ==

{{SPARQL2|query=
SELECT ?item ?itemLabel
WHERE { 
  ?item rdfs:label ?itemLabel. 
  FILTER(CONTAINS(LCASE(?itemLabel), "concept"@en)). 
}
}}


== List all authoritative items ==

All the items that have the property "in Concept Group": authoritative.

{{SPARQL2|query=
SELECT ?item ?itemLabel WHERE {
  ?item wdt:P4 wd:Q22.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}

}}

== All items and sections from a Type ==

{{SPARQL2|query=
{{Project:Type_Complete_Query}}
}}