About: http://webisa.webdatacommons.org/191130838

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	Alternatively, they may be combined and inserted in one or more of the media types in a watermark embedded in a watermark of the media signal or its metadata.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca