PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ability of carbon atoms to bond strongly to each other allows them to form an almost unlimited variety of chains, rings, and other structures that form the backbones of organic molecules.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com