PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon is especially advantageous since particular forms of carbon have an especially high stiffness to weight ratio.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com