About: http://webisa.webdatacommons.org/140145078

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	In an embodiment of the present invention, RF signals originate from an information sources, such as tire monitoring devices, radio stations, cellular telephones, trunk CD players, GPS transmitters, television stations, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk