About: http://webisa.webdatacommons.org/366365113

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	Circuit switching[edit] Circuit switched communication, for example the public switched telephone network, ISDN, SONET/SDH and optical mesh networks, are intrinsically connection-oriented communications systems.
http://www.w3.org/ns/prov#wasQuotedFrom	pearltrees.com