About: http://webisa.webdatacommons.org/120605808

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	Initially, those locks were only simple knots made from rope or other materials (they were used only to detect if someone tried to open them), but as the
http://www.w3.org/ns/prov#wasQuotedFrom	historyofkeys.com