PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As previously mentioned, cementitious materials are typically selected from materials such as mixtures of lime, silica and alumina, lime and magnesia, silica and alumina and iron oxide, calcium sulphate, Portland cement, pozzolanic materials, such as ground slag and fly ash and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com