About: http://webisa.webdatacommons.org/252014808

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	The images 504 are employed to derive linear functions or ???rectangle filters??? that measure a region's average deltas for such items as scale, orientation, and aspect ratios.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com