About: http://webisa.webdatacommons.org/436012467

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	The present invention is a method and system for detecting and preventing the fraudulent use of phone services in which the recipient of a telephone call is responsible for charges only after they agree to accept the telephone call.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com