Question: Who is called Dana?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX foaf: <http://xmlns.com/foaf/0.1/> PREFIX prop: <http://dbpedia.org/property/> SELECT DISTINCT ?uri ?string WHERE { { ?uri rdf:type foaf:Person. ?uri foaf:givenName 'Dana'@en. } UNION { ?uri prop:alias ?alias . FILTER regex(?alias,'Dana') . } OPTIONAL {?uri rdfs:label ?string . FILTER (lang(?string) = 'en') } }