About: http://webisa.webdatacommons.org/180653198

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	I have seen the 'derivation' as to why momentum is an operator, but I still do not buy it.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com