About: http://webisa.webdatacommons.org/319845403

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	Such means could be as simple as a microswitch that is actuated only when a prize is present, the microswitch being connected to appropriate circuitry for determining the condition (open or closed) of the switch.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com