PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Jackson, 37, a Ph.D. student in the Energy & Resources Group at UC Berkeley, researched the effects of short-lived pollutants like soot that stay in the atmosphere from days to weeks; medium-lived pollutants like methane that may remain airborne for a decade; and the long-lived greenhouse gases such as carbon dioxide and nitrous oxide, which will plague the planet for centuries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com