PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In operation, particles, including for example household and atmospheric dust, lint, animal dander, food particles, tobacco smoke, aerosols, pollen, plant spores, and the like are ionized with a positive charge as the particles pass through the electrostatic field established by the ionizing wires.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com