PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Assuming that tE represents a round-trip time of electromagnetic waves taken from the emission of the waves from the transmitting antenna 12 to the reception thereof at the receiving antenna 13, then the round-trip time tE has such a relationship as follows with respect to the wave propagation velocity Vg and the depth Z of the target TG.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com