About: http://webisa.webdatacommons.org/406985544

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 signal is an audial signal in one version or an electromagnetic signal (radio, microwave, light, infrared, etc) in another version.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com