About: http://webisa.webdatacommons.org/76753409

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 also defines a standard contrast curve, the Grayscale Standard Display Function, against which different types of display and hardcopy output devices can be calibrated.
http://www.w3.org/ns/prov#wasQuotedFrom	ihe.net