PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Examples of the inorganic fine-particle carriers include SiO2, Al2 O3, MgO, ZrO2, TiO2, B2 O3, CaO, ZnO, ThO2, etc. and mixtures thereof such as SiO2 --MgO, SiO2 --Al2 O3, SiO2 --TiO2, SiO2 --V2 O5, SiO2 --Cr2 O3, SiO2 --TiO2 --MgO, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com