About: http://webisa.webdatacommons.org/419013071

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	With this arrangement and technique, several advantages result, including the fact that it provides 3-way calling facility with a minimum of hardware and provides 3-way calling ability per port.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com