PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Nearly 40 years after the Vietnam War, the U.S. launched a project to clean up toxic residues of Agent Orange [2] ??? one of the many herbicides used by the U.S. military during the war was proven to contain dioxin, a chemical linked to cancer, birth defects and other disabilities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • inhabitat.com