PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As part of their natural metabolic process, plants remove carbon dioxide and other toxic gases from the air while adding oxygen and humidity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reptilesmagazine.com