PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The shortage of radioactive isotopes also threatens activities in other areas, including basic and environmental research, oil exploration, and nuclear proliferation, the scientists noted.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acs.org