PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But each situation is a case study on its own, with its own parameters of flow, volume, chemistry, all of which contribute to the quality of water in the system.
http://www.w3.org/ns/prov#wasQuotedFrom
  • auroville.org