About: http://webisa.webdatacommons.org/216641878

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 pixel color variations in each area are then adjusted manually using existing image processing software such as PhotoImpact??? and PhotoShop???.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com