PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They are of concern because they are persistent, have been found in remote areas such as the Arctic, and could accumulate to levels that are toxic to fish and other aquatic organisms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pops.int