PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For this reason, there is a problem in that complicated focusing and optical systems are required to solve issues such as correction of wavelength dispersion, focal point control, and focal point control using wavelength variation of the light source.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com