PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The application of engineered wetlands can result in substantial operations and maintenance cost savings, especially for systems that have to operate over long periods of time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cenews.com