PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • His staff have visited the area to check levels of air pollutants, particularly volatile organic compounds such as benzene, styrene and sulfur dioxide, both at the plant and in the surrounding communities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationmultimedia.com