PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Population density also lowers energy and water use in all categories, constrains family size, limits the consumption of all kinds of goods, reduces ownership of wasteful appliances, decreases the generation of solid waste, and forces most residents to live in some of the world???s most inherently energy-efficient residential structures: apartment buildings.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldchanging.com