PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although metering water flows has large potential application for the present invention and some of the embodiments are described in terms of water flows in terms gallons per minute, the present invention can be used to measure flow characteristics of many fluids, including the flow rate and fluid velocity of liquids and gasses contained in pipes of various diameter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com