About: http://webisa.webdatacommons.org/257819613

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	) is a set of communications standards for simultaneous digital transmission of voice, video, data, and other network services over thetraditional circuits of the public switched telephone network.
http://www.w3.org/ns/prov#wasQuotedFrom	scribd.com