PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The radius of curvature R can be measured, for example, with the aid of a scanning probe microscope, for example an atomic force microscope.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com