PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hydrogen is the most abundant element in the universe; Earth???s water contains a virtually inexhaustible supply (10 million million tons) of deuterium, and tritium is ???bred??? in the fusion plant itself.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com