PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Using colloidal silica as the choice of particle material is preferred although any of the materials including ceria, alumina, diamond, fumed silica, titanium, and polymer-based colloids such as polystyrene are viable alternative materials, provided the designer takes into account the mechanical properties of the system in selecting the particulate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com