PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This may be done constantly while the vehicle is in the air such as an airplane, or a boat so when constantly streamed a small amount of soap or surfactant type materials to improve this boundary layer thereby modifying the vehicle drag.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com