Question: Which countries in the European Union adopted the Euro?
SPARQL:
PREFIX dbpedia2: <http://dbpedia.org/property/> PREFIX res: <http://dbpedia.org/resource/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX yago: <http://dbpedia.org/class/yago/> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> SELECT DISTINCT ?uri ?string WHERE { ?uri rdf:type yago:EuropeanUnionMemberStates . { ?uri dbpedia2:currency res:Euro . } UNION { ?uri dbpedia2:currencyCode ?code . FILTER regex(?code,'EUR') } OPTIONAL { ?uri rdfs:label ?string. FILTER (lang(?string) = 'en') } }