About: http://webisa.webdatacommons.org/288037543

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	This causes a spurious contour line to be created in an image including a part whose pixel value varies gradually.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com