PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ultrasonic pulse 3 is reflected by blood cells in a blood stream flowing through a blood vessel and other living tissues and the reflected ultrasonic wave is received by the vibrating element 2-1 and is converted into an echo signal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com