About: http://webisa.webdatacommons.org/264332677

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	Speci???cally, if X is a Killing vector, then X ?? u = const X ?? p = const along a geodesic, where u is the particle four velocity and p is the particle four momentum.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net