About: http://webisa.webdatacommons.org/316645165

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	At its simplest two things are necessary: something for steadying the head, and a broad surface perpendicular to the line of sight on which to map out the color fields.
http://www.w3.org/ns/prov#wasQuotedFrom	yorku.ca