Question: List everything written in languages developed by EXperimental Computing Facility?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/author> <http://dbpedia.org/resource/EXperimental_Computing_Facility> . ?uri <http://dbpedia.org/property/programmingLanguage> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Work>}