About: http://webisa.webdatacommons.org/200022683

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	Document EP 647 912 discloses a device which is intended to be used at certain predetermined times in connection with a radio or TV programme, or other event, for example a sporting event.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com