PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Environmental contamination by heavy metals such as cadmium is a serious and growing concern, says environmental chemist Murthy A. Vairavamurthy, who leads the research at Brookhaven.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com