About: http://webisa.webdatacommons.org/447021746

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	However, there are exceptions when there is a fundamental difference between a massless particle of some type and its massive version.
http://www.w3.org/ns/prov#wasQuotedFrom	profmattstrassler.com