About: http://webisa.webdatacommons.org/425920975

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	They are damn useful for doors, beer kegs, anything else where you want some sort of authentication.
http://www.w3.org/ns/prov#wasQuotedFrom	hackaday.com