PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A substance secreted by parasitic nematode worms may help provide a more effective treatment for inflammatory types of arthritis.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bbc.co.uk