PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gamma rays (often denoted by the Greek letter gamma, ??) are an energetic form of electromagnetic radiation produced by radioactive decay or other nuclear or subatomic processes such as electron-positron annihilation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tvrage.com