PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Last month, the Organization for Economic Cooperation and Development, based in Paris, warned that ???urban air pollution is set to become the top environmental cause of mortality worldwide by 2050, ahead of dirty water and lack of sanitation.??? It estimated that up to 3.6 million people could end up dying prematurely from air pollution each year, mostly in China and India.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yale.edu