About: http://webisa.webdatacommons.org/217516278

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	For signals such as video signals where substantially the same brightness levels are maintained over areas of the video picture, a considerable saving in bandwidth for either transmission or storage is achieved.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com