PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Grey water from sinks and showers flows into the pipes, watering the plants and is then purified to be reused for such purposes as flushing toilets.
http://www.w3.org/ns/prov#wasQuotedFrom
  • jetsongreen.com