<http://webisa.webdatacommons.org/prov/344484330> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/268268505> . <http://webisa.webdatacommons.org/268268505> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/268268505> <http://www.w3.org/ns/prov#wasQuotedFrom> <hp.com> . <http://webisa.webdatacommons.org/268268505> <http://www.w3.org/ns/prov#value> "A function is a routine that returns a single value to the calling routine." .