Question: Give me a list of computers whose CPU is in the US.
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/locationCity> <http://dbpedia.org/resource/United_States> . ?uri <http://dbpedia.org/ontology/cpu> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/InformationAppliance>}