About: http://webisa.webdatacommons.org/82019082

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	If the VPI is ???0???, the echo cancellor 82 determines that the cell is a far end signal, uses the data as the reference data for removing an echo, and outputs the cell after being used to the cell multiplexing unit 83.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com