About: http://webisa.webdatacommons.org/97516041

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	A device which monitors information contained in broadcast electrical signals and which, when attached to or combined with the circuitry of a television, radio or other receiver, will automatically prevent reception of unwanted material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca