PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 1.1 (also equivalent weight) Chemistry The mass of a particular substance that can combine with or displace one gram of hydrogen or eight grams of oxygen, used in expressing combining powers, especially of elements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oxforddictionaries.com