PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Albert Einstein provided the perfect scientific answer to Global Warming in 1905 with his paradigm, mass-to-energy equation, which is the key to unlocking all of the clean, cheap, environmentally friendly energy the inhabitants of Earth will ever need, without any pollution or waste stream, and with no carbon dioxide or other greenhouse emissions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldchanging.com