PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention relates generally to sensors, and it more particularly relates to level sensors for gauging the level and condition of fluids and other materials in containers, as well as in reactors, pipes, river beds, irrigation ditches, conveyors, free standing piles, and a variety of other systems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com