About: http://webisa.webdatacommons.org/397770991

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	description, is a viewable item having a common boundary filled with levels of contrast so that it can be distinguished from the image background.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com