PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alternatively, the reactor components can be made from ceramic materials such as alumina, silica, quartz, titania, zirconia, yttria, titanium carbide, zirconium carbide, silicon carbide, boron carbide, aluminum nitride, titanium nitride, silicon nitride, and/or boron nitride.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com