<http://webisa.webdatacommons.org/prov/82614065> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/41997687> . <http://webisa.webdatacommons.org/41997687> <http://www.w3.org/ns/prov#wasQuotedFrom> <freepatentsonline.com> . <http://webisa.webdatacommons.org/41997687> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/41997687> <http://www.w3.org/ns/prov#value> "If the sender is a person whose emails are to be rated by the receiver, cumulative ratings and other information associated with the sender and the recipient are retrieved from a database over a network." .