PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Examples of the aforesaid particulate materials include fillers which are ordinarily used in rubber, plastic materials, and the like, for example, calcium carbonate, gypsum, barium sulfate, talc, clay, silica, metal powder and other inorganic materials, and metal salts of organic materials which primarily consist of inorganic substances.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com