PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Unlike the pollutants that are typically removed by water-treatment plants, getting the salt out can require entirely different technologies such as reverse osmosis.
http://www.w3.org/ns/prov#wasQuotedFrom
  • philly.com