<http://webisa.webdatacommons.org/317289747> <http://www.w3.org/ns/prov#wasQuotedFrom> <nycsubway.org> . <http://webisa.webdatacommons.org/317289747> <http://www.w3.org/ns/prov#value> "questions ranging from the development of specific types of equipment" . <http://webisa.webdatacommons.org/prov/410750> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/317289747> . <http://webisa.webdatacommons.org/317289747> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .