PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 17 is a graph showing a frequency-domain representation of the time-varying function of FIG. 13, modulated and sampled;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com