PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is a further object of the present invention to provide methods and apparatuses for measuring the index of refraction of liquid, gels, and solids in the presence of magnetic fields, electric fields, temperature extremes, and other environmental conditions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com