Former Member of Decision Systems Laboratory
AREAS OF SPECIALIZATION
Reasoning Under Uncertainty, Data Mining, Bayesian Networks, Dynamic Bayesian Networks (DBN), Hidden Markov Models (HMM), Quasi-Monte Carlo Methods (QMC), Decision Analysis and Decision Support Systems
Probabilistic Language Modeling, Automatic Speech Recognition (ASR)
PUBLICATIONS
Jian Cheng.
Jian Cheng and Marek J. Druzdzel. Confidence inference in Bayesian networks, In Proceedings of the Seventeenth Conference on Uncertainty in Artificial Intelligence (UAI-2001), pp. 75-82, Seattle, WA, Morgan Kaufmann Publishers, 2001.
Jian Cheng. Sampling algorithms for estimating the mean of bounded random variables. Computational Statistics, 16(1), 1-23, 2001.
Jian Cheng and Marek J. Druzdzel. AIS-BN: An adaptive importance sampling algorithm for evidential reasoning in large Bayesian networks. Journal of Artificial Intelligence Research, 13:155-188, 2000.
Jian Cheng and Marek J. Druzdzel. Computational investigations of low-discrepancy sequences in simulation algorithms for Bayesian networks. In Proceedings of the Sixteenth Conference on Uncertainty in Artificial Intelligence (UAI-2000), pp. 72-81, Stanford, CA, Morgan Kaufmann Publishers, 2000.
Jian Cheng and Marek J. Druzdzel. Latin hypercube sampling in Bayesian networks. In Proceedings of the Thirteenth International Florida Artificial Intelligence Research Symposium Conference (FLAIRS-2000), pp. 287-292, Orlando, Florida, AAAI Publishers, 2000.
EDUCATION
May 1997---April 2001
Ph.D.
Department of Information Science
and Telecommunications, University of
Pittsburgh
Research Area: Approximate Reasoning in Bayesian Networks; Advisor: Marek
J. Druzdzel
Thesis Title: Efficient
Stochastic Sampling Algorithms for Bayesian Networks
Thesis Committee: Marek J. Druzdzel,
Gregory F. Cooper, Roger
R. Flynn, Satish Iyengar, Jeff
Schneider
January 1997---May 1997
Ph.D.
Student. Department of
Electrical Engineering, Stevens
Institute of Technology
Research Area: Stereoscopic
Video Coding, MPEG-2
September 1993---July 1996
Master
of Engineering. Automation Institute (9372
class), Chinese Academy of Sciences, Beijing,
P.R.China
Research Area: Image Processing, Multimedia
September 1986---July 1991
Dual
Bachelor Degrees. Tsinghua University,
Beijing, P.R.China
Mechanical
Engineering; Automatic
Control
EMPLOYMENT EXPERIENCE
May 1997---December 2000
Research
Assistant. Department of Information Science and Telecommunications,
University of Pittsburgh
Researching in Uncertainty in Artificial Intelligence; Programming for SMILE/GeNIe,
responsible for most part of the programming in interface (e.g. MDI,
Sub-models, drawing nodes and arcs.). My research results in sampling
algorithms have been integrated into SMILE.
May 2000---August 2000
Research
internship in Adaptive
Systems & Interaction group (ASI), Microsoft
Research
Transferring Troubleshooting
Wizard from MSBN32
to MSBNx. Researching in inference algorithms for dynamic Bayesian networks (DBN),
which can be used in User
Modeling and Intelligent User Interfaces. Mentor: Eric
Horvitz.
January 1997---May 1997
Research
Assistant. Department of Electrical Engineering, Stevens Institute of
Technology
Researching in Stereoscopic Video Coding, MPEG-2. Understanding MPEG-2 video
compress / uncompress algorithms completely.
July 1994---December 1996
Research
Assistant, Image Department, Automation Institute, Chinese Academy of Sciences
Researching in Image Processing, Multimedia; Programming.
Last
modified: Dec. 19, 2001
Jian cheng, jcheng@sis.pitt.edu