About: http://webisa.webdatacommons.org/375435507

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 reference code is supplied to the first station, and a voice communication request and the reference code are received from the first station.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com