<http://webisa.webdatacommons.org/421786584> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/421786584> <http://www.w3.org/ns/prov#wasQuotedFrom> <modemtools.com> . <http://webisa.webdatacommons.org/prov/314298927> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/421786584> . <http://webisa.webdatacommons.org/421786584> <http://www.w3.org/ns/prov#value> "Includes database logging, aliasing, call blocking and various forms of notification that some of the more expensive programs do not have." .