PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Incense smoke also contains pollutants such as sulphur dioxide, nitrogen dioxide, carbon monoxide and carbon dioxide, which can cause sore eyes, drowsiness and headaches.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bangkokpost.com