PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The main problem with recycling grey-water is the other material (eg soap and faecal matter) that comes with it which can cause odours, safety issues and other problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • terrainfirma.co.uk