About: http://webisa.webdatacommons.org/102506389

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	All the other units are related to atomic or fundamental constants, such as the speed of light or the charge on an electron, and metrologists now agree that they must redefine the kilogram.
http://www.w3.org/ns/prov#wasQuotedFrom	physicsworld.com