About: http://webisa.webdatacommons.org/293376084

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	In this method, since electronic watermark data is buried into areas with strong frequency components, the electronic watermark data is not lost through the image processing such as compression process or filtering.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com