About: http://webisa.webdatacommons.org/259628129

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	Simply put, a lock is a chamber that can be filled or emptied with water to allow vessels in it to sail between water lying at different altitudes.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com