PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Water quality is diminishing in many areas, particularly due to increasing sediment and contaminant concentrations after heavy downpours.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cfr.org