About: http://webisa.webdatacommons.org/21517419

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	While for simple artificial sources the problem of embedding messages undetectably has been resolved, it remains vastly open for empirical covers, examples of which are digital media objects, such as digital images, video, and audio.
http://www.w3.org/ns/prov#wasQuotedFrom	njit.edu