Question: List the websites which the authors of Tornado own ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Tornado_(web_server)> prop:author ?x . ?x onto:owner ?uri . }