Entrants must be prepared to provide a 10-15 minute live demonstration of their system at the group's annual international conference in Cambridge from 13-15 December.
The winner gets a trophy and £1,000, sponsored by Electrolux. The competition is run in association with the Applied Knowledge Research Institute.
Entries must be in by 1 October. There is no entry fee.
Competition details www.bcs-sgai.org/miprize
Conference details www.bcs-sgai.org/ai2004