PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This non-mathematical, self-contained exposition of studies of the Earth's magnetic environment in space covers such topics as magnetism, electrons, eons and plasmas, the radiation belt, the sun and the solar wind, exploring earthspace, the dynamic magnetosphere, auroras, and interplanetary field lines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dlese.org