PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Human exposure to radiation varies from natural sources, such as radon and ultraviolet radiation from the Sun, and other sources, such as medical X-rays.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sundance.tv