About: http://webisa.webdatacommons.org/252555004

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	Briefly described, the present invention is a method of embedding an optical signature in a document as either an identifying signature or as steganography data.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com