About: http://webisa.webdatacommons.org/398522737

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	system for example a delay of a few minutes in the opening or closing of a gate
http://www.w3.org/ns/prov#wasQuotedFrom	johnsaunders.com