PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Currently, EMAP considers two principal types of indicators, condition and stressor (U.S. EPA, 1998).
http://www.w3.org/ns/prov#wasQuotedFrom
  • epa.gov