About: http://webisa.webdatacommons.org/189045403

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	Formerly, practitioners were limited to ad hoc videoconference networks; now, there are an increasing number of existing public videoconferencing facilities that can be rented.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com