PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • American flags were traditionally made out of natural materials such as cotton and wool; however, synthetic versions such as nylon and polyester are becoming increasingly popular since they last longer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • jdnews.com