About: http://webisa.webdatacommons.org/53241138

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	However, within small neighborhoods, the gradient slope direction at each point is within a small angle ?? of the gradient slope direction at other points in the neighborhood, except for the neighborhood that includes the center point.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com