Refereed Archival Journal Publications (accepted or appeared)
Li, Y., A.K. Ziliaskopoulos, and S.T. Waller "Linear Programming Formulations for System Optimum Dynamic Traffic Assignment with Arrival Time Based and Departure Time Based Demands," Journal of the Transportation Research Board, pp. 52-59, 1999.
Ziliaskopoulos, A.K. and S.T. Waller "An Internet Based Geographic Information System that Integrates Data, Models, and Users for Transportation Applications," Transportation Research Part C: Emerging Technologies, Volume 8, Issues 1-6, pp 427-444, Feb.-Dec.2000.
Waller S.T. and A.K. Ziliaskopoulos “Stochastic Dynamic Network Design Model," Journal of the Transportation Research Board, pp. 106-113, 2001.
Chang, E.J., D.E. Boyce, A.K. Ziliaskopoulos, and S.T. Waller "Solution Algorithm for the Combined Interregional Commodity Flow and Transportation Network Model with Link Capacity Constraints," Journal of the Transportation Research Board, pp.114-123, 2001.
Waller, S.T., J.L. Schofer, and A.K. Ziliaskopoulos "Evaluation with Traffic Assignment under Demand Uncertainty," Journal of the Transportation Research Board, pp. 69-74, 2001.
Agrawal, B.B., S.T. Waller, and A.K. Ziliaskopoulos “Modeling Approach for Transit Signal Preemption," Journal of the Transportation Research Board, pp. 13-20, 2002.
Waller S.T. and A.K. Ziliaskopoulos, "On the Online Shortest Path Problem with Limited Arc Cost Dependencies," Networks 40(4), 216-227, Dec.2002.
Li, Y., Waller, S.T. and A.K. Ziliaskopoulos, "A Decomposition Method for System-Optimal Dynamic Traffic Assignment," Networks and Spatial Economics 3(4), 441-455, Dec. 2003.
Golani, H. and S.T. Waller, "A Combinatorial Approach for Multi-Destination Dynamic Traffic Assignment," Journal of the Transportation Research Board, pp. 70-78, 2004.
Sun, D., S. Ukkusuri, R. Benekohal, S.T. Waller, and Z. Guo, "Fuzzy Logic Based On-line Collision Prediction System for Signalized Intersections," Journal of Advances in Transportation Studies, An International Journal Vol. III (B), pp. 71-86, Jul. 2004.
Ziliaskopoulos, A.K., S.T. Waller, Y. Li, and M. Byram, "Large Scale Dynamic Traffic Assignment: Implementation Issues and Computational Analysis," Journal of Transportation Engineering Volume 130, No. 5, pp. 585-593, Sep. 2004.
Sun, D., S. Ukkusuri R.F. Benekohal, and S.T. Waller, "Modeling of Pedestrian Gap Acceptance for Improving Safety at Uncontrolled Mid-block Crosswalks," Advances in Transportation Studies, An International Journal Vol. VI. (B), pp. 57-66, Jul. 2005.
Karoonsoontawong, A. and S.T. Waller, "Comparison of System and User-Optimal Stochastic Dynamic Network Design Models using Monte Carlo Bounding Techniques," Journal of the Transportation Research Board, pp. 91-102, 2006.
Sun, D., R.F. Benekohal and S. T. Waller, "Bi-Level Programming Formulation and Heuristic Solution Approach for Dynamic Traffic Signal Optimization," Computer-Aided Civil & Infrastructure Engineering Vol. 21, Issue 5, pp. 321-333, Jul. 2006.
Waller, S. T., K.C. Mouskos, D. Kamaryiannis and A.K. Ziliaskopoulos , "A Linear Model for the Continuous Network Design Problem," Computer-Aided Civil & Infrastructure Engineering Vol. 21, Issue 5, pp. 3334-335, Jul. 2006.
Waller, S.T. and A. Ziliaskopoulos , "A Combinatorial User Optimal Dynamic Traffic Assignment Algorithm," Annals of Operations Research ISSN: 0254-5330 (paper), 1572-9338 (online), 2006.
Ukkusuri, S., V.M. Tom, S.T. Waller, "Robust Network Design Problem under Demand Uncertainty," Computer Aided Civil and Infrastructure Engineering 22, pp. 6-18, 2007.
Barkan, C.P., S. Ukkusuri, and S.T. Waller, "Optimizing the Design of Railway Tank Cars to Minimize Accident-caused Releases," Computers and Operations Research : 34, 1266-1286, May 2007.
Karoonsoontawong, A. and S. T. Waller, "Dynamic Continuous Network Design Problem: Linear Bi-Level Programming and Metaheuristic Approaches," Journal of the Transportation Research Board (In Press, forthcoming in 2006).
Ukkusuri, S. and S.T. Waller, "Single Point Approximations for the Traffic Equilibrium Problem under Uncertain Demand," Journal of the Transportation Research Board (In Press).
Jeon, K., S. J. Lee, S. Ukkusuri, and S.T. Waller, "Use of Selector combinative Genetic Algorithm to Relax Computational Complexity of Discrete Network Design Problem," Journal of the Transportation Research Board (In Press)
Waller, S.T. and A.K. Ziliaskopoulos "A Chance-Constrained Based Stochastic Dynamic Traffic Assignment Model: Analysis, Formulation and Solution Algorithms," Transportation Research, Part C: Emerging Technologies (In Press).
Dung-Ying Lin, Ampol Karoonsoontawong and S.T. Waller (2009). "A Dantzig-Wolfe Decomposition Based Heuristic Scheme for Bi-level Dynamic Network Design Problem" Networks and Spatial Economics (Forthcoming).
Dung-Ying Lin and S.T. Waller (2009). "A Quantum-Inspired Genetic Algorithm for Dynamic Continuous Network Design Problem" Transportation Letters, Vol.1, Issue 1, 81-93.
Dung-Ying Lin, Naveen Eluru, S. T. Waller and Chandra R. Bhat (2008). "Integration of Activity-based Modeling and Dynamic Traffic Assignment" Journal of the Transportation Research Record (Forthcoming).
Ng Ng, Dung-Ying Lin and S. Travis Waller. (2009) Optimal Long-term Infrastructure Maintenance Planning Accounting for Traffic Dynamics. Computer-Aided Civil And Infrastructure Engineering (Accepted with revisions).
Refereed Archival Journal Publications (in review)
Sun, D., R. Benekohal, and S.T. Waller, Video Detection Based Intersection Crash Prediction using Fuzzy Neural Network, IEEE Transaction of Intelligent Transportation Systems (in review)
Ukkusuri, S. and S.T. Waller, “Linear Programming Models for the User and System Optimal Dynamic Network Design Problem: Formulations, Comparisons and Extensions,” Networks and Spatial Economics (in review).
Waller, S.T. and S. Ukkusuri, “A Linear Programming Formulation for the User Optimal Dynamic Traffic Assignment Problem,” Transportation Science (in review).
Jeon, K., S.T. Waller and S. Ukkusuri “Heuristic Approach for Discrete Network Design Problem Accounting for Dynamic Traffic Assignment Conditions: Formulations, Solution Methodologies, Implementations and Computational Experiences,” (in review)
Ukkusuri, S., A. Karoonsoontawong, S.T. Waller, and K. Kockelman (C) “Congestion Pricing Technologies: Synthesis and an Evaluation Framework,” Transportation Research Part C: Emerging Technologies (in review).
Unnikrishnan, A. and S. Ukkusuri, and S.T. Waller, “Sampling Techniques for Evaluating the Traffic Equilibrium Problem under Uncertain Demand,” (in review).
Kumar, D. and S. T. Waller, “Constrained Shortest Path Problem in Stochastic and Dynamic Transportation Networks,” Computers and Operations Research (in review).
Dung-Ying Lin, Naveen Eluru, S. T. Waller and Chandra R. Bhat. "Evacuation Planning using the Integrated System of Activity-based Modeling and Dynamic Traffic Assignment". Transportation Research Record (in review)
Dung-Ying Lin, Avinash Unnikrishnan, and S.T. Waller. "A Genetic Algorithm for Bi-level Linear Programming Dynamic Network Design Problem" Transportation Research: Part C (in review).
Dung-Ying Lin, Avinash Unnikrishnan, and S.T. Waller. "A Method of Successive Average based Heuristic for Dynamic Congestion Pricing" Transportation Research: Part C (in review)
Refereed Conference Proceedings
Ziliaskopoulos, A.K., K.C Mouskos, S.T. Waller and Q. Zeng "Numerical Results and Comparative Analysis of Static and Dynamic Traffic Assignment Based Network Design Models," Proceedings of the Transportation Research Board’s 78th Annual Meeting, Washington, D.C., January 1998.
Waller, S.T. and A.K. Ziliaskopoulos "A Visual Interactive System for Transportation Algorithms," Proceedings of the Transportation Research Board’s 78th Annual Meeting, Washington, D.C., January 1998.
Waller, S.T. and A.K. Ziliaskopoulos "A Chance-Constrained Based Stochastic DTA Model: Analysis Formulation & Solution Algorithm," Tristan III Proceedings. Vol. 2 B2. 1998.
Ziliaskopoulos, K. A. and S.T. Waller, “Modeling Intermodal Freight Movements in the Chicago Area,” Proceedings of the 42nd Annual Meeting of the Transportation Research Forum, Annapolis, Maryland, November 19- December 01, 2000.
Waller, S.T. and A.K. Ziliaskopoulos, “The Visual Interactive System for Transport Algorithms,” Proceedings of the United States Department of Transportation Workshop on Next Generation Models for Traffic Analysis, Monitoring and Management, September 23-25, 2001.
Li, Y. I., S.T. Waller, K. A. Ziliaskopoulos, “Decomposition Scheme for Dynamic Traffic Assignment Models,” Proceedings of the Transportation Research Board’s 80th Annual Meeting, Washington, D.C., January 2001.
Waller, S.T. and A.K. Ziliaskopoulos "A Combinatorial Algorithm for the User-Optimal DTA Problem," Tristan IV Proceedings, 2002.
Barrett, C., S.T. Waller, and A.K. Ziliaskopoulos, “An Internet –Based Transportation Framework That Integrates Data, Models, and Users,” Proceedings of the 9th World Congress on Intelligent Transport Systems (available on CD-ROM), Chicago, Illinois, October, 2002.
Sun, D., S. Ukkusuri, R. Benekohal, and S.T. Waller, Modeling Driver-Pedestrian Interaction at Uncontrolled Mid-block Crosswalks, Proceedings of the Transportation Research Board’s 82nd Annual Meeting, Washington, D.C., January 2003.
Sun, D., R.F. Benekohal, and S.T. Waller, “Multi-objective Traffic Signal Optimization Using Non-dominated Sorting Genetic Algorithms,” Proceedings of IEEE Intelligent Vehicle Symposium, p198-p203, ISBN: 0-7803-7849-0, June 9-11, Columbus, OH, USA, June 2003.
Sun, D., R. Benekohal, and S. T. Waller, Traffic Signal Multi-objective Optimization Using Non-dominated Sorting Genetic Algorithm II, Lectures Notes in Computer Science 2724, Part II. Springer, 2003
Golani, H. and S.T. Waller, “A Combinatorial Approach for Multi-Destination Dynamic Traffic Assignment,” Proceedings of the Transportation Research Board’s 83rd Annual Meeting, Washington, D.C., January 2004.
Ukkusuri, S. and S.T. Waller, “Linear Programming Models for the User and System Optimal Dynamic Network Design Problem: Formulations, Comparisons and Extensions,” Proceedings of the Transportation Research Board’s 83rd Annual Meeting, Washington, D.C., January 2004.
Sun, D., R. Benekohal, and S.T. Waller, “Multi-objective Evolutionary Algorithms for Inter-section Signal Timing Optimization,” Proceedings of the Transportation Research Board’s 83rd Annual Meeting, Washington, D.C., January 2004.
Ukkusuri, S., Ampol Karoonsoontawong, and S.T. Waller, “A Stochastic Dynamic User Optimal Network Design Model accounting for Demand Uncertainty,” Proceedings of the International Conference of Transportations Systems Planning and Operations (TRANSPO 2004 at ITT Madras) Chennai, India February 18-20, 2004.
Ukkusuri, S. and S.T. Waller, “A User Optimal Dynamic Network Design Model based on a linear Programming Approach,” Proceedings of the International Conference of Transportations Systems Planning and Operations (TRANSPO 2004 at ITT Madras) Chennai, India February 18-20, 2004.
Ukkusuri, S. and S.T. Waller, “An Expression for long term Demand Uncertainty in the Robust Traffic Assignment Problem,” Tri Annual Symposium on Transportation Analysis (TRISTAN V), Le Gosier, West Guadeloupe, June 2004.
Ukkusuri, S. and S.T. Waller, “Identifying Critical Components in a Transportation Network: An Application of the Science of Complex Networks,” Proceedings of the Transportation Research Board’s 84th Annual Meeting, Washington, D.C., January 2005.
Unnikrishnan, A., S. Ukkusuri, and S.T. Waller, “Sampling Techniques for Evaluating Traffic Equilibrium Problem Under Uncertain Demand,” Proceedings of the Transportation Research Board’s 84th Annual Meeting, Washington, D.C., January 2005.
Jeon, K., S. Ukkusuri, and S.T. Waller, “Heuristic Approach for Discrete Network Design Problem Accounting for Dynamic Traffic Assignment Conditions: Formulations, solution methodologies, implementations, and Computational Experience,” Proceedings of the Transportation Research Board’s 84th Annual Meeting, Washington, D.C., January 2005.
Ukkusuri, S., S. Karoonsoontawong, S.T. Waller, and K. Kockelman, “Congestion Pricing Technologies: Synthesis and Evaluation Framework,” Proceedings of the Transportation Research Board’s 84th Annual Meeting, Washington, D.C., January 2005.
Karoonsoontawong, A. and S.T. Waller, “Comparison of System- and User-Optimal Stochastic Dynamic Network Design Models Using Monte Carlo Bounding Techniques,” Proceedings of the Transportation Research Board’s 84th Annual Meeting, Washington, D.C., January 2005.
Kumar, D. and S.T. Waller, “Time-Constrained Shortest Path Problem in Stochastic Dynamic Networks,” Proceedings of the Transportation Research Board’s 84th Annual Meeting, Washington, D.C., January 2005.
Unnikrishnan, A., S. Ukkusuri, and S. T. Waller, “Efficient Approximation Methods for Evaluating Demand Uncertainty in the Network Equilibrium Problems,” Proceedings of the International Conference on Computing in Civil Engineering, Cancun, Mexico, July 2005.
Ukkusuri, S., D. Kumar, S.T. Waller, and S. Vishwanath, “Sensor Network Protocols for Asset Routing with Constrained Energy (SPARCE): An Introduction,” Proceedings of 62nd Semiannual IEEE Vehicular Technology Conference, Dallas, Texas, September 2005.
Boyles, S., S. Ukkusuri, S.T. Waller, and K. M. Kockelman, “Examining the benefit of Accounting for Traffic Dynamics in Congestion Pricing,” Proceedings of the Transportation Research Board’s 85th Annual Meeting, Washington, D.C., January 2006.
Duthie, J., A. Unnikrishnan, and S. T. Waller, “Network Evaluation with Uncertain and Correlated Long-Term Demand,” Proceedings of the Transportation Research Board’s 85th Annual Meeting, Washington, D.C., January 2006.
Karoonsoontawong, A. and S.T. Waller, “Linear Bi-Level Programming and Metaheuristics for Dynamic Continuous Network Design Problem,” Proceedings of the Transportation Research Board’s 85th Annual Meeting, Washington, D.C., January 2006.
Kumar, D. and S.T. Waller, “The Robust Shortest Path Problem,” Proceedings of the Transportation Research Board’s 85th Annual Meeting, Washington, D.C., January 2006.
Jeon, K., J.S. Lee, S. Ukkusuri and S.T. Waller, “New Approach for Relaxing Computational Complexity of Discrete Network Design Problem Using Selectorecombinative Genetic Algorithm,” Proceedings of the Transportation Research Board’s 85th Annual Meeting, Washington, D.C., January 2006.
Ukkusuri, S. and S.T. Waller, “Single-Point Approximations for Traffic Equilibrium Problem Under Uncertain Demand,” Proceedings of the Transportation Research Board’s 85th Annual Meeting, Washington, D.C., January 2006.
Boyles, S., S. Ukkusuri, S. T. Waller, and K. M. Kockelman, "A Comparison of Static and Dynamic Traffic Assignment in the Dallas-Ft. Worth Region", Transportation Research Board Travel Demand Conference, Austin, TX, May 2006.
Boyles, S., D. Fajardo, and S. T. Waller, "[[http://transnet1.ce.utexas.edu/trans/pub/Public/Sboyles/boyles_fajardo_waller_nbc.pdf][A Naive Bayesian Classifier for Incident Duration Prediction, with D. Fajardo and S. T. Waller]", Proceedings of the Transportation Research Board's 86th Annual Meeting, Washington, D.C., January 2007.
Boyles, S. and S. T. Waller, "[[http://transnet1.ce.utexas.edu/trans/pub/Public/Sboyles/058Boyles.pdf][Online Routing with Nonlinear Disutility Functions with Arc Cost Dependencies]", Sixth Triennial Symposium on Transportation Analysis (TRISTAN VI), Phuket, Thailand, June 2007.