About: http://webisa.webdatacommons.org/145636108

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	Scalars: Quantities having only magnitude such as distance, speed, energy, time, and mass.
http://www.w3.org/ns/prov#wasQuotedFrom	relativitycalculator.com