PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When an image, particularly a picture that requires smooth gradation of tone, is to be printed in good condition, the granular feel, gray scale and uniformity (no variation in density) need to be balanced.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com