PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • alternating layers of compound semiconductor materials. For example, the first, third, and fifth films within the optical laser may include a material such as gallium arsenide, and the second, fourth, and sixth films within the lower mirror layer 166
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com