PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many AGU members are involved in crucial research for the future of the planet on issues such as global warming, climate change, ozone depletion, natural hazards, water supply and quality, and other environmental factors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • what-when-how.com