About: http://webisa.webdatacommons.org/218857440

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This depends upon several factors such as the average duration of the calls, instructions for busy signals and voice-recording, the number of passes through the database, and the quality of the database.
http://www.w3.org/ns/prov#wasQuotedFrom	sound-tele.com