PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The starting materials used in the preparation of the ???sol??? are usually inorganic salts or compounds such as silicon alkoxides.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca