PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As shown in step 330, sensor data may be received from one or more sensors, such as any of the sensors described above, that detect the presence, absence, or transition between presence and absence of wafers at predetermined locations within the robotic handler.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com