About: http://webisa.webdatacommons.org/192023218

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	Communication systems, as they are known in the art, include systems such as radio communication, paging, cellular telephone, and other similar types of systems.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr