PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A frequency selective element, such as a grating, is tuned first across a first wavelength range of the first gain medium, then tuned across a second wavelength range of the second gain medium, and so forth as depending on the number of addition gain media that are present.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com