About: http://webisa.webdatacommons.org/91038582

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	const is a constant whose function is to reduce problems from noise and zero gradients, for example equal to 4 luminance quantisation levels;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com