PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As used here, a compound is a material made up of two or more elements held together by relatively strong electrostatic or Coulomb bonds, typically metallic (ionic) or non-metallic (covalent) bonds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • neuronresearch.net