PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They use the toxins as a food, converting harmful toxins such as ammonia and nitrite into less harmful nitrate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • marinedepot.com