About: http://webisa.webdatacommons.org/366870020

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the Standard Model of particle physics, photons and other elementary particles are described as a necessary consequence of physical laws having a certain symmetry at every point in spacetime.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org