PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To the physicist, light is a wave, a photon which races through the cosmos at constant speed, a speed which, in and by itself, establishes limits on all relationships of mass and energy.
http://www.w3.org/ns/prov#wasQuotedFrom
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