PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Grooves 80 have a free-space depth, D, equal to an integral multiple of an optical half-wavelength, n ??/2, wherein ?? is the wavelength of the light which falls on the photodetector and n is a positive integer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com