About: http://webisa.webdatacommons.org/402314724

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	In the 1780s, French weights and measures were a mess, with dozens of units, each with dozens or even hundreds of local values.
http://www.w3.org/ns/prov#wasQuotedFrom	sizes.com