Question: Which books were published by DAW Books?
SPARQL:
PREFIX dbo: <http://dbpedia.org/ontology/> PREFIX res: <http://dbpedia.org/resource/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> SELECT DISTINCT ?uri ?string WHERE { ?uri rdf:type dbo:Book ; dbo:publisher res:DAW_Books OPTIONAL { ?uri rdfs:label ?string FILTER ( lang(?string) = "en" ) } }