About: http://webisa.webdatacommons.org/453317326

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 PSTN system, however, is not cost effective and does not offer the kind of features that are available when using a digital communication network such as the Internet.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com