About: http://webisa.webdatacommons.org/158718006

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	video/image-data material is slightly modified ("signed) in order to embed a number or image or other information, which can later be retrieved.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com