PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Nevertheless, with increasing speed and functionality requirements, Si substrates become limiting and designers need to use alternative materials that provide improved performance. [0004] Potential alternatives include substrates made from materials such as germanium (Ge), gallium arsenide (GaAs), indium phosphide (InP), or gallium nitride (GaN).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca