About: http://webisa.webdatacommons.org/310392811

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	The piece of the project that lets this all work is a switch installed inside each door jamb, such that when the locking bolt is engaged, the switch is tripped.
http://www.w3.org/ns/prov#wasQuotedFrom	command-tab.com