PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Moreover, a photon is a particle or a wave whatever its enegy and it is emitted in all directions from a point, but it can be collimated into a beam of any size.Moreover, it does not bother me that you may be worried about the nature: wave or particle, and shape of a photon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • physicsworld.com