PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Under certain circumstances, all known chemical elements, compounds, mixtures or other compositions may be suitable for use as the modifying agent.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com