PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For instance, the cation generating material 40 may include metal powder charged with the cation, such as Ca, Na or Mg.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com