Research Interests

  • Business intelligence, Data mining, Data warehousing
  • Complexity, Computational modeling in business; Agent-based models
  • Evolutionary computation , Machine learning
  • Intelligent decision support in database marketing, financial markets.
  • Information Technology, E-business

Current work

  • A Uniform Exchange Price Mechanism for Fair and Efficient Exchanges in Peer-to-Peer Systems, with K. Tharakunnel.
  • Reinforcement Learning in Leader-Follower Multi-agent Systems. with K. Tharakunnel.
  • From Choice of Procurement Strategy to Supply Network Configuration: An Evolutionary Approach, with Y. Zhang.
  • Information Sharing in Supply Networks, with Y. Zhang.
  • Analysis of B2B E-Marketplaces: An Operations Perspective, with Y. Zhang.
  • Creativity in Networked Contexts, with Stellan Ohlsson.
  • Discerning Seller Quality in Online Markets: An Agent-Based Approach, with D. Lundquist.
  • Proximity-based Scoring in Random Forests.

Publications

  • "Effectiveness of Q-Learning as a Tool for Calibrating Agent-Based Supply Network Models", with Y. Zhang, Enterprise Information Systems, forthcoming.
  • "Leader-Follower semi-Markov decision problems: Theoretical framework and approximate solution", with K. Tharakummel. In Symposium on Approximate Dynamic Programming and Reinforcement Learning., IEEE Symposium Series on Computational Intelligence, 2007.
  • “Design, Development and Validation of an Agent-Based Model of Electronic Auctions”, with Mehta, K, Information Technology and Management, vol 7, no 3, 191-212, 2006.
  • “Minimal Intelligence Agents in Double Auction Markets with Speculators”, with Wu, S., Computational Economics: A Perspective from Computational Intelligence. S-H. Chen (Ed.)., 2006.
  • “Reinforcement Learning in Leader-Follower Multiagent Systems”, with Tharakunnel, K., Proceedings of the 14th Annual Workshop on Information Technologies and Systems, 2004 (WITS 2004).
  • “Topology, Search, and Fault Tolerance in Unstructured P2P Networks”, with Samant, K., in Proceedings of the 37th Annual Hawaii International Conference on System Science, 2004 (HICSS'04).
  • "Adequacy of Training Data for Evolutionary Mining of Trading Rules”, with Mehta, K., Decision Support Systems, v.37 n.4, p.461-474, 2004. Issue on Data Mining for Financial Decision Making, Wang, H., and A. S. Weigend (Eds.).
  • "Genetic Programming for Large-Scale Classification: An Ensemble Approach", with Zhang, Y., Information Sciences, v. 163 ,n. 1-3, 2004. Issue on Soft Computing Data Mining, A. Ghosh and S.K.Pal (Eds.).
  • "Evolutionary Computation for Data Mining", Journal of Database Marketing, v. 10, n. 4, p. 343-352, 2003.
  • "Genetic Search over Probability Spaces", with M.D. Troutt, European Journal of Operational Research, vol. 144, no. 2, , pp. 333-347(15), January 2003.
  • "Knowledge-Intensive Genetic Discovery of Foreign Exchange Trading Models", with O.V. Pictet and G. Zumbach, IEEE Transactions on Evolutionary Computation, vol 6, no 2, 169-181, 2002.
  • "Data Mining on Time Series: An Illustration Using Fast-Food Restaurant Franchise Data", with L.Liu, S. Sclove, R. Chen and W.J. Lattyak, Computational Statistics and Data Analysis.37(2001), 455-476.
  • "Evolutionary Induction of Trading Models", with K. Mehta, in Evolutionary Computation in Economics and Finance, S-H. Chen (Ed.), Studies in Fuzziness and Soft Computing, 100, Physica-Verlag, 2002.
  • "Task-Structure Analysis: A Modularized Approach for Modeling Knowledge Intensive Processes", with R. Wong, in Proceedings of the Hawaii International Conference on System Sciences (HICCS-35), January, 2002.
  • "Evolutionary Algorithms in Data Mining: Multi-Objective Performance Modeling for Direct Marketing", in Proceedings of the Sixth International Conference on Knowledge Discovery and Data Mining (KDD-2000), Boston, August, 2000, AAAI Press.
  • "Direct Marketing Performance Modeling using Genetic Algorithms", INFORMS Journal of Computing, vol. 11, no.3, Summer 1999.
  • "Direct Marketing Response Models using Genetic Algorithms", in Proceedings of the Fourth International Conference on Knowledge Discovery and Data Mining (KDD-98), New York, August, 1998, AAAI Press.
  • "Inductive, Evolutionary, and Neural Techniques for Discrimination: A Comparative Study", with P. Pendharkar, Decision Sciences, vol. 29, no. 4, 871-900, Fall, 1998.
  • "Genetic Learning through Simulation: An Investigation in Shop-Floor Scheduling", with H. Aytug, and G.J.Koehler, Annals of Operations Research, Issue on Business Applications of Artificial Intelligence, vol. 78, p. 1-29, 1998.
  • "Learning by Objectives for Adaptive Shop-Floor Scheduling", with G.J.Koehler, Decision Sciences, vol. 29, no. 2, 347-376, 1998.
  • "A Markov Chain Analysis of Genetic Algorithms with 2x Cardinality", with H.Aytug, and G.J. Koehler, European Journal of Operational Research, vol. 96, no. 1, p. 195-201, 1997.
  • "General Cardinality Genetic Algorithms", Evolutionary Computation, with G.J. Koehler and M.D. Vose, vol. 5, no. 4, 439-459, 1997.
  • "A Review of Machine Learning in Scheduling", with H. Aytug, G.J. Koehler and J.L. Snowdon, IEEE Transaction in Engineering Management, 41, No. 2, May, 1994, pp. 165-171.
  • "Object-Case Retrieval for Intelligent Decision Support", with G.J. Koehler, in Proceedings of the Workshop on Information Technology and Systems (WITS-95), Amsterdam, December, 1995.
  • "An Analysis of Non-Binary Genetic Algorithms with Cardinality 2v", with G. J. Koehler, Complex Systems, 8, 1994, pp. 227-256.

Other refereed proceedings

  • "Price Dispersion in Online Markets: An Agent-Based Approach", with D. Lundquist, in Proceedings of the Fifth Workshop on e-Business (WeB 2006).
  • "Supply Chain Coordination Under Vendor Managed Inventory (VMI) Arrangement: A Decentralized Learning Approach", with K. Tharakunnel, in Proceedings of the Fourth Workshop on e-Business (WeB 2005).
  • “Learning to Order in Supply Networks: An Agent Modeling Study”, with Zhang, Y.. in Proceedings of the Agent 2004 Conference, 2004.
  • “Alignment and Validation in an Agent-based Model of Online B2C Auctions”, with Mehta, K., Proceedings Agent 2003 Conference on Challenges in Social Simulation, 2003.
  • “Dynamics of Expertise in Organizations: An Agent-based Modeling Exercise”, with D’Souza, K., Proceedings Agent 2003 Conference on Challenges in Social Simulation, 2003.
  • "Crossover in Probability Spaces", with M.D. Troutt, Proceedings of the International Genetic and Evolutionary Computation Conference (GECCO-2000), July, 2000, AAAI Press.
  • "Multi-Objective Data-Mining using Genetic Search", Proceedings of the GECCO-2000 Workshop on Data Mining with Evolutionary Algorithms, July 2000, AAAI press.
  • "Combining Genetic Algorithm Based Models for Financial Forecasting", with K. Mehta, in Proceedings of the 1999 Congress on Evolutionary Computation, vol. 2, 1245-1252, Washington D.C., July, 1999, IEEE Press.
  • "Representational Semantics for Genetic Programming Based Learning in High-Frequency Financial Data", with O.V. Pictet and G. Zumbach, in Proceedings of the Third Annual Genetic Programming Conference (GP-98), 11-16, Madison, Wisconsin, July, 1998, Morgan Kaufmann Pub.
  • "Staged Learning of Trading Rules Using Genetic Algorithms", with K. Mehta, in Proceedings of the Third INFORMS Information Systems and Technology Conference, Montreol, April, 1998.
  • "Zip-Codes for Direct Marketing Models using Geographic Information Systems", with R. Sengupta, in Proceedings of the Association of Information Systems Conference, 1997.
  • "Data Mining with Genetic Algorithms Under Cost Uncertainty", with A. Dejnarok, in Proceedings of the Decision Sciences Institute National Conference, 1997.
  • "Multi-Agent Learning in Distributed Artificial Intelligence", with P. Pendharkar, in Proceedings of 2nd INFORMS Conference on Information Systems and Technology, San Diego, CA, May 1997.
  • "A Comparison of Statistical and Machine Learning Techniques for Discriminant Analysis", with S. Bhattacharyya, in Proceedings of the First Americas Conference on Information Systems, Pittsburgh, August, 1995.

Technical Reports

  • "Aggregation and OLAP in Object Databases", Information and Decision Sciences, University of Illinois, Chicago, 2003.
  • “Agent-Based Model of Price-Formation in Electronic Auctions”, with K. Mehta, Information and Decision Sciences, University of Illinois, Chicago, 2003.
  • "Genetic Learning for Multi-Objective Data-Mining Problems", Information and Decision Sciences, University of Illinois, Chicago, 2002.
  • "Genetic Learning of Trading Models", with O.V. Pictet, Technical Document SIB.1996-07-08, Olsen and Associates, Research Institute for Applied Economics, Zurich, Switzerland, 1997.
  • "An Empirical Study of Learning Multi-Agent Coordination Strategies using Genetic Search", with P.Pendharkar, Department of Management, Southern Illinois University at Carbondale, 1998.
  • "A Decision Support System Framework for Dynamic Scheduling", with H. Aytug, G.J. Koehler and J.L. Snowdon, Decision and Information Sciences, University of Florida, 1993.

Research Funding

  • Dynamic Leader-Follower Problems: A New Theoretical Framework and a Machine Learning based Computational Approach, with K. Tharakunnel (co-PI), National Science Foundation (ECS-0601590), 2006 [$87,000].
  • Networks for Technological Innovation. Campus Research Board, University of Illinois at Chicago, 1998, with Stellan Ohlsson, Dept of Psychology, UIC, 2000 [$15,000].
  • Agent Based Simulation of Electronic Auction Markets. Center for Research in Information Management, University of Illinois at Chicago, 1999-2000 [$18,500].
  • Data Warehousing and OLAP in Object-Oriented Databases. Center for Research in Information Management, University of Illinois at Chicago, with V. Owei, 1998-99 [$23,000].
  • Genetic Learning of Trading Models in High-Frequency Financial Data, Olsen and Associates, Research Institute for Applied Economics, Zurich, Switzerland, 1998 [$30,000].
  • Research Equipment Grant, Campus Research Board, University of Illinois at Chicago, with A. Ouksel, 1998 [$6,000].
  • Genetic Learning for Direct Marketing Applications, Ratner & Associates, New York, 1994-95 [$20,000].
  • Design of a Semantic Interface for Data Mining, IBM Corp., 1995 [$30,000]. Investigators: A. Ramaprasad, S. Bhattacharyya and A. Rai.
  • Summer research grant, Office of Research and Development, Southern Illinois University at Carbondale, Summer, 1995 [$6,000].
  • Client-Server Systems Simulation, Summer research grant, Pontikes Center for Management of Information, Southern Illinois University at Carbondale, Summer, 1994, [$1,760].
  • Establishing a Point of Reference for Information Systems Disaster Recovery, Comdisco Inc., [$50,000]. Investigators: A. Ramaprasad, A. Rai and S. Bhattacharyya.
  • Hybrid Technologies for Pattern Induction in Data Mining (co-PI), University Priorities and Interdisciplinary Initiative program, Southern Illinois University at Carbondale, 1993 [$6,000].
  • Summer research fellowship, College of Business Administration, Southern Illinois University at Carbondale, 1996, 1995, 1994 [$18,000].
  • Research and Analysis of Machine Learning for Dynamic Scheduling (G.J. Koehler, PI) IBM CIM Technology Center, 1992-93.