PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The opto-electronic components include both reflective and transmissive optics and are made from materials such as ZnSe, ZnS, copper, silicon, gallium arsenide and germanium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov