PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • a, calcium silicate, calcium metasilicate, sodium aluminosilicate, and sodium silicate; metal sulfates, including calcium sulfate, barium sulfate, sodium sulfate, aluminum sodium sulfate, aluminum sulfate; gypsum; vermiculite; wood pulp; aluminum trihydrate; metal oxides, including calcium oxide (lime), aluminum oxide, titanium dioxide; and metal sulfites, including calcium sulfite.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca