|4146 Murray Avenue|
Pittsburgh PA 15217-2704
|Phone +1 412 521 3023|
|Education||1986 - 1995 Carnegie Mellon
University Pittsburgh, PA, USA
Ph.D. in Computer Science
Thesis Title: Learning Models of Speaker Variation
1980 - 1984 University of Otago Dunedin, New Zealand
B.Sc. (Hons) in Psychology
Specialised in Cognitive and Physiological Psychology. Degree awarded with First Class Honours. Substantial minor in Computer Science
|Languages||Spoken: English, French. Read: Spanish|
|Citizenship||New Zealand Citizen, currently working for Carnegie Mellon on H1B Visa|
|Employment History||1996 - 1997 Carnegie Mellon
University Pittsburgh, PA, USA
Post Doctoral Fellow
Stage (Summer Intern)
1984 1986 Text Understanding Systems Dunedin, New Zealand
|Teaching Experience||Spring 1997: Carnegie Mellon
University, Computer Science.
Assisting with Introductory AI course. Lecturing on Logic-Based Agents, Speech Recognition, and designing assignments on Logic and on Neural Networks.
Autumn 1988: Carnegie Mellon University, Computer Science.
Teaching Assistant for Introductory AI course. Prepared and presented two lectures, designed and graded homework assignments and exam questions.
1994: Otago University, Psychology.
Laboratory tutor for Introduction to Experimental Methods. Taught and graded one half of a full year laboratory course.
|Publications||Witbrock, M.J and Hauptmann, A.G.
"Speech Recognition in a Digital Video Library", to appear in JASIS:
Journal of the American Society for Information Science, 1997
Witbrock, M.J, and Hauptmann, A.G., "Using Words and Phonetic Strings for Efficient Information Retrieval from Imperfectly Transcribed Spoken Documents", to appear in DL97, The Second ACM International Conference on Digital Libraries, July 23 - 26, 1997, Philadelphia.
Hauptmann, A.G., Witbrock, M.J. and Christel, M.A. "Artificial Intelligence Techniques in the Interface to a Digital Video Library", CHI 97
Hauptmann, A.G. and Witbrock, M.J., "Informedia: News-on-Demand - Multimedia Information Acquisition and Retrieval", to appear in Maybury, M. (ed). Intelligent Multimedia Information Retrieval AAAI Press/MIT Press 1996. (in press)
Hauptmann, A.G., Witbrock, M.J. Rudnicky, A.I., and Reed, S., "Speech for Multimedia Information Retrieval", UIST-95: Proceedings of User Interface Software and Technology, Pittsburgh, PA, November, 1995.
Hauptmann, A.G., Witbrock, M.J., and Christel, M.G. "News-on-Demand: An Application of Informedia Technology", D-LIB Magazine, September, 1995.
Fischer, Michael., Meyer, Michael., and Witbrock, Michael. "User Extensibility in Amiga Mosaic", Proceedings of the Second International World Wide Web (WWW) Conference '94: Mosaic and the Web, October 1994.
Witbrock, Michael and Haffner, Patrick. "Rapid Connectionist Speaker Adaptation", Proceedings of the IEEE 1992 International Conference on Acoustics, Speech, and Signal Processing, March, 1992.
Witbrock, Michael and Zagha, Marco. "Back-Propagation Learning on the IBM GF11", Chapter in Przytula, K.W., and Prasanna Kumar, V.K. Parallel Digital Implementations of Neural Networks. PTR Prentice-Hall. Englewood Cliffs. 1993.
Witbrock, Michael and Zagha, Marco. "An Implementation of Back-Propagation Learning on GF11, a Large SIMD Parallel Computer", Parallel Computing 14 (1990) pp 329-346, North-Holland, Amsterdam
Franzini, M.A., Witbrock. M.J. and Lee, K.F. "Speaker-Independent Recognition of Connected Utterances Using Recurrent and Non-recurrent Neural Networks", Proceedings of the I.E.E.E. International Joint Conference on Neural Networks, June, 1989.
Franzini, M.A., Witbrock, M.J. and Lee, K. "Connectionist Approaches to Continuous Speech Recognition". Proceedings of the IEEE 1989 International Conference on Acoustics, Speech, and Signal Processing, May, 1989.
Lang, K.J. and Witbrock, M.J. "Learning to Tell Two Spirals Apart" in Touretzky, D.S., Hinton, G.E., and Sejnowski, T. (Eds) Proceedings of 1988 Connectionist Models Summer School
|Professional memberships||Association for Computational Linguistics, Association for Computing Machinery, Sigma Xi|
|Invited Talks and Professional Duties||"Integrating Speech, Natural Language,
Image Processing and Information Retrieval: The Informedia Digital Video
Library Project", April 4th 1997, Machines that Learn Conference,
Co-chair of AAAI Spring Symposium on "Intelligent Integration of Text, Image, Video and Audio Corpora", March 1997, Stanford.