PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Slum upgrading basically involves improving the physical environment, for example the water supply, sanitation, waste collection, electricity, drainage, road paving and street lighting.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cochrane.org