PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some contaminants, such as fertilisers and pesticides, are deliberately released into the environment every day, while others, like petroleum products, are frequently released by accident.
http://www.w3.org/ns/prov#wasQuotedFrom
  • theecologist.org