PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 13 is a plot of the spectral content of an infinitely repeating series of successive in-phase chirp signals, which are each the average of the pair of signals of FIG. 12, with power levels plotted on a logarithmic scale against a linear frequency scale.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com