PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In practice, there are many sources of possible error in the coefficients A, B, C including errors in the timing and frequency of the wireless transmissions, tracking errors in the software demodulator, and unknown delays and frequency deviations caused by the motion of the mobile device.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com