About: http://webisa.webdatacommons.org/213532155

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	A pixel's luminance is directly proportional to the fraction of frame time the pixel is turned on, and each of the sub-frame times is weighted to produce the 2n gray scale levels wherein n is an integer preferably from 1 to 8.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com