About: http://webisa.webdatacommons.org/377722358

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	Now I???m mentioning their names, particularly Ken, here because they came up with a way of representing units at runtime that has very low overhead on arithmetic operations.
http://www.w3.org/ns/prov#wasQuotedFrom	cincomsmalltalk.com