About: http://webisa.webdatacommons.org/4984833

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	Y corresponds to luminance, and is a function of the relative luminosity of each of the color phosphors used in the television screen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com