About: http://webisa.webdatacommons.org/172719239

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	Still another aspect of the present invention is a method of identifying a first area and a second area of a printed document that are likely to include, respectively, a first digital watermark and a second digital watermark.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es