Question: List all the collaborators of the artist which has collaborated with sanremo Music Festival ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:associatedMusicalArtist <http://dbpedia.org/resource/Sanremo_Music_Festival> . ?x onto:associatedMusicalArtist ?uri  . ?x rdf:type onto:Artist}