Professional activities

Summer Faculty Associate at Bell Telephone Laboratories, 1978

Secretary-Treasurer, IEEE Computer Society Chicago Chapter, 1979-1980, Chair, 1980-1981

Member of Program Committee, NCC '81

Associate Editor, American Journal of Computational Linguistics, 1981-1984

Vice-President, Association for Computational Linguistics, 1983

President, Association for Computational Linguistics, 1984

Local Arrangements Chair, ACL Annual Meeting, 1985

Secretary and Program Chair, Chicago Chapter of the ACM Special Interest Group on

Artificial Intelligence, 1982-1985

Member of the Editorial Board for the Cambridge University Press series,

Studies in Natural Language Processing, 1982-1990

Member of AFIPS Program Planning Committee, 1983-1987

Chairman, AFIPS Education Award Subcommittee, 1984-1987

Member, Board of Directors, American Federation of Information Processing Societies, 1987-

1990.

Member, Progam Committee, Waterloo Conference, November, 1990.

Member, Dictionary Encoding Initiative, 1991 -

Member, Organizing Committee, ACL SIGLEX, 1992 -

Member, Program Committee, Midwest Artificial Intelligence and Cognitive Science

Conference, 1990-2001.