PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Third function of filters is chemical filtration, such as carbon and other products that may detoxify or remove ammonia, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tropicalfishkeeping.com