PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Radon, the second recognized carcinogenic agent involved in the development of lung cancer, after smoking, is a noble gas with a high mobility.
http://www.w3.org/ns/prov#wasQuotedFrom
  • osti.gov