About: http://webisa.webdatacommons.org/20651728

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	Various methods are used by communications systems to allow electronic devices such as computer devices to communicate and exchange signals, data and other types of messages and information.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com