PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These provisions reflect an implicit and often incorrect assumption that it is possible, for each pollutant of concern, to determine a threshold level of air pollution above which the pollutant is a threat to public health and below which it is not.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ssrn.com