PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, an unevenness of an optical density takes place in one light-transmittable portion, and as a result, there is a serious problem that an obtained image becomes unclear.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com