<http://webisa.webdatacommons.org/228065723> <http://www.w3.org/ns/prov#wasQuotedFrom> <berkeley.edu> . <http://webisa.webdatacommons.org/228065723> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/352145301> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/228065723> . <http://webisa.webdatacommons.org/228065723> <http://www.w3.org/ns/prov#value> "An operation is a procedure that computes a value and outputs" .