About: http://webisa.webdatacommons.org/246335148

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 POTS signals are sent from the POTS switch 14 to the other central office wire centers and to remote premises and to data services such as the Internet services via the public switch telephone network (PSTN) 28.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com