About: http://webisa.webdatacommons.org/187354037

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	So Physicists through years of data analysis iterate through all these particle???s mass and other properties and see if an energy content is fitting to the one that we would reconstruct from the different masses [or particles ] we know.
http://www.w3.org/ns/prov#wasQuotedFrom	mdashf.org