PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • read chemical equations, and provide requested information contained in the equation including information about substances, reactants, products, and physical states.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ck12.org