PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, since the semitransparent concave mirror and the semitransparent plane mirror are each formed from a single independent constituent element, when the field angle and the pupil diameter are enlarged, off-axis aberrations such as field curvature, coma, etc. are likely to occur.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com