About: http://webisa.webdatacommons.org/297718950

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 term cover signal as used hereinafter refers to a host or source signal, such as an audio, video or other information signal, which carries or is intended to carry embedded or hidden digitized data.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com