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M.I.T, 1990-present Donner Professor of Science, M.I.T., 1974-1989 Professor, Department of Electrical Engineering, M.I.T., 1974 Co-Director, M.I.T. Artificial Intelligence Laboratory, 1959- 1974 Assistant Professor of Mathematics, M.I.T., 1958 Founder, M.I.T. Artificial Intelligence Project, 1959 Staff Member, M.I.T. Lincoln Labo

ive Science, Nature Publishing Group, London (2002). (9.) E. Charniak, Toward a Model of Children's Story Comprehension, Technical Report AITR-266, Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA (1972). (10.) R. C. Schank and R. P. Abelson, Scripts, Plans, Goals, and Understanding, L. Erl