About: http://webisa.webdatacommons.org/283468660

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 is a telecommunications network commonly accessed by ordinary telephones, private branch exchange trunks and data transmission equipment that provides service to the general public.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com