PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The new methods of nanoengineered materials that are being developed might be effective in treating illnesses and diseases such as cancer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reference.com