PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It can be changed into other forms of energy and other forms of energy can be changed into matter -- an equivalence embodied in Einstein's famous equation E= mc2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • calphysics.org