About: http://webisa.webdatacommons.org/260580420

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	It???s a scale that represents the starting exposure level of your jpeg or RAW conversion. the bottom left point is the blacks in your image, the top right is the whitest point and a gradual scale of everything inbetween.
http://www.w3.org/ns/prov#wasQuotedFrom	websitetutorials.net