Institution: | (1) Department of Artificial Intelligence, University of Edinburgh, 80 South Bridge, EH1 1HN Edinburgh, U.K.;(2) Human Cognition Research Laboratory, The Open University, MK7 6AA Milton Keynes, U.K.;(3) Institute of Educational Technology, The Open University, MK7 6AA Milton Keynes, U.K.;(4) Expert Systems International, 9 West Way, OX2 0BJ Oxford, U.K. |