Question: Which books were written by Danielle Steel?
SPARQL:
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX foaf: <http://xmlns.com/foaf/0.1/> PREFIX onto: <http://dbpedia.org/ontology/> SELECT ?uri ?string WHERE { ?uri rdf:type onto:Book . ?uri onto:author ?author . ?author foaf:name 'Danielle Steel'@en . OPTIONAL {?uri rdfs:label ?string . FILTER (lang(?string) = 'en') } }