About: http://webisa.webdatacommons.org/147935262

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	These call control functions include caller authentication, call setup, billing control, billing validation, call progress, security, quality control, and other functions to be described more fully below.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es