- The Capacitated Mobile Facility Location Problem, with Mustafa Sahin and Sibel Salman.
- Weighted Target Set Selection on Social Networks, with Rui Zhang.
- An Inexact Sample Average Approximation Approach for the Stochastic Connected Facility Location Problem, with Gisela Bardossy.

- Integrating Social Network Effects in the Share-of-Choice Problem, with Dilek Gunnec,
*Decision Sciences*, to appear. - Approximate Robust Optimization for the Connected Facility Location Problem, with Gisela Bardossy,
*Discrete Applied Mathematics*,**210**, 246-260, 2016. - Efficient Edge-Swapping Heuristics for the Reload Cost Spanning Tree Problem, with Mustafa Sahin,
*Networks*,**65**(4), 380-394, 2015. - Local Search Heuristics for the Mobile Facility Location Problem, with Russell Halper and Mustafa Sahin,
*Computers and Operations Research*,**62**, 210-223, 2015. - The Generalized Regenerator Location Problem, with Si Chen and Ivana Ljubic,
*INFORMS Journal on Computing*,**27**(2), 204-220, 2015. Winner of the 2016 INFORMS Telecommunications Section Best Paper Award - The Recoverable Robust Two-Level Network Design Problem, with Eduardo Alvarez-Miranda, Ivana Ljubic, and Paolo Toth,
*INFORMS Journal on Computing*,**27**(1), 1-19, 2015. - How to Influence People with Partial Incentives, with Erik Demaine, Mohammad Hajiaghayi, Hamid Mahini, David Malec, Anshul Sawant, and Morteza Zadimoghadam,
*Proceedings of the 23rd International World Wide Web Conference*, 937-948, 2014. - WDM Optical Network Design using Branch-and-Price, with D. Stanojevic,
*Journal of Mathematical Modelling and Algorithms in Operations Research*,**12**(4), 407-428, 2013. - Multi-Period Traffic Routing in Satellite Networks, with I.Gamvros,
*European Journal of Operational Research*,**219**(3), 738-750, 2012. Winner EURO 2010 Management Science Strategic Innovation Prize. Video of Award Winning Lecture at EURO 2010. - The Generalized Covering Salesman Problem, with Bruce Golden, Zahra Naji-Azimi, Majid Salari and Paulo Toth,
*INFORMS Journal on Computing*,**24**(4), 534-553, 2012. - Reload Cost Trees and Network Design, with Ioannis Gamvros and Luis Gouveia,
*Networks,***59**(4), 365-379, 2012. - The Mobile Facility Routing Problem, with Russell Halper,
*Transportation Science,***45**(3), 413-434, 2011. - Branch-and-Price for WDM Optical Networks with no Bifurcation of Flow , with D. Stanojevic,
*INFORMS Journal on Computing,***23**(1), 56-74, 2011. - Dual-Based Local Search for the Connected Facility Location and Related Problems, with M. Gisela Bardossy,
*INFORMS Journal on Computing,***22**(4), 584-602, 2010. - Variable Neighborhood Search for the Cost Constrained Minimum Label Spanning Tree and Label Constrained Minimum Spanning Tree Problems, with Z. Naji-Azimi, M. Salari, B. Golden, P. Toth,
*Computers & Operations Research,***37**(11), 1952-1964, 2010. - The Regenerator Location Problem, with S. Chen and Ivana Ljubic,
*Networks,***55**(3), 205-220, 2010. - Matrix Bidding in Combinatorial Auctions, with R. Day,
*Operations Research,***57**(4), 916-933, 2009. - A Combinatorial Procurement Auction featuring Bundle Price Revelation without Free Riding, with R. Day,
*Decision Support Systems,***44**(3), 621-640, 2008. - The Prize-Collecting Generalized Minimum Spanning Tree Problem, with B. Golden and D. Stanojevic,
*Journal of Heuristics,***14**(1), 69-93, 2008. - Fair Payments for Efficient Allocations in Public Sector Combinatorial Auctions, with R. Day,
*Management Science,***53**(9), 1389-1406, 2007. Winner of 2008 INFORMS Computing Society Prize. Finalist 2009 EURO Excellence in Practice Award. - Investment Analysis and Budget Allocation at Catholic Relief Services, with I. Gamvros and R. Nidel,
*Interfaces,***36**(5), 400-406, 2006. Finalist for the 2005 INFORMS Daniel H. Wagner Prize for Excellence in Operations Research Practice. Maryland Public Television Interview about this work. - Diversification for Better Classification Trees, with Z. Fu, B. Golden, S. Lele, and E.Wasil,
*Computers & Operations Research,***33**(11), 3185-3202, 2006. Winner of 2005 INFORMS Computing Society Prize. - A Divide-and-Conquer Local Search Heuristic for Data Visualization, with R. Abbiw-Jackson, B. Golden, and E. Wasil,
*Computers & Operations Research,***33**(11), 3070-3087, 2006. - The Multilevel Capacitated Minimum Spanning Tree Problem, with I. Gamvros and B. Golden,
*INFORMS Journal on Computing,***18**(3), 348-365, 2006. - Strong Formulations for Network Design Problems with Connectivity Requirements, with T. Magnanti,
*Networks,***45**(2), 61-79, 2005. Winner of 2006 Glover-Klingman Prize. - Heuristic Search for the Generalized Minimum Spanning Tree Problem, with B. Golden and D. Stanojevic,
*INFORMS Journal on Computing,***17**(3), 290-304, 2005. - The Landscape for Electronic Market Design, with G. Anandalingam and R. Day,
*Management Science,***51**(3), 316-327, 2005. - Low-Connectivity Network Design on Series-Parallel Graphs,
*Networks,***43**(3), 163 176, 2004. - Long Distance Access Network Design, with R. Berger,
*Management Science,***50**(3), 309 325, 2004. Awarded 2nd place INFORMS Junior Faculty Paper Competition. - Genetically Engineered Decision Trees: Population Diversity Produces Smarter Trees, with Z. Fu, B. Golden, S. Lele, and E. Wasil,
*Operations Research,***51**(6), 894 907, 2003. Winner of 2005 INFORMS Computing Society Prize. - A Genetic Algorithm-based Approach for Building Accurate Decision Trees, with Z. Fu, B. Golden, S. Lele, and E. Wasil,
*INFORMS Journal on Computing,***15**(1), pp 3 22, 2003. Winner of 2005 INFORMS Computing Society Prize. - Bicriteria Product Design Optimization, with M. Ball and V. Trichur,
*Naval Research Logistics,***49**(6), 574 592, 2002. - A Visualization Model Based on Adjacency Data, with E. Condon, B. Golden, S. Lele, and E. Wasil,
*Decision Support Systems,***33**(4), pp 349 362, 2002. - Tabu Search for a Network Loading Problem with Multiple Facilities, with D. Berger, B. Gendron, J.-Y. Potvin, and P. Soriano,
*Journal of Heuristics,***6**(2), pp 253 267, 2000.

- Assignment Preferences and Combinatorial Auctions, with R. Day, in
*Operations Research, Computing, and Homeland Defense,*edited by R. K. Wood and R. F. Dell, INFORMS, pp 50-69, 2011. - Modeling and Solving the Capacitated Vehicle Routing Problem on Trees, with B. Chandran, in
*The Vehicle Routing Problem: Latest Advances and New Challenges,*edited by B. Golden, S. Raghavan, and E. Wasil, Springer, pp 239-261, 2008. - Ex-Post Internet Charging, with J. Bailey and J. Nagel, in
*Telecommunications Modeling, Policy, and Technology*, edited by S. Raghavan, B. Golden, and E. Wasil, Springer, pp 59-79, 2008. - Ex-Post Internet Charging: An Effective Bandwidth Model, with J. Bailey and I. Gamvros, in
*Extending the Horizons: Advances in Computing, Optimization, and Decision Technologies,*edited by E. Baker, A. Joseph, A. Mehrotra, and M. Trick. Springer, pp 221-245, 2007. - Twinless Strongly Connected Components, in
*Perspectives in Operations Research: Papers in Honor of Saul Gass' 80th Birthday,*edited by F. Alt, B. Golden, and M. Fu. Springer, pp 285-304, 2007. - A Note on Search by Objective Relaxation, with D. Stanojevic, in
*Telecommunications Planning: Innovations in Pricing, Network Design and Management,*edited by S. Raghavan and G. Anandalingam. Springer, pp 181-201, 2006. - A Note on Eswaran and Tarjan's Algorithm for the Strong Connectivity Augmentation Problem, in
*The Next Wave in Computing, Optimization, and Decision Technologies,*edited by B. Golden, S. Raghavan, and E. Wasil. Kluwer Academic Press, pp 19-26, 2005. - Heuristic Search for Network Design, with I. Gamvros, B. Golden, and D. Stanojevic, in
*Operations Research and Technology: Tutorials from INFORMS 2004,*edited by H. Greenberg. Kluwer Academic Press, pp 1-49, 2004. - An Evolutionary Approach to the Multi-Level Capacitated Minimum Spanning Tree problem, with I. Gamvros and B. Golden, in
*Telecommunications Network Design and Management,*edited by G. Anandalingam and S. Raghavan. Kluwer Academic Press, pp 99-124, 2003. - Building a High-Quality Decision Tree with a Genetic Algorithm, with Z. Fu, B. Golden, S. Lele, and E.Wasil, in
*Computing Tools for Modeling, Optimization and Simulation: Interfaces in Computer Science and Operations Research,*edited by M. Laguna and J. L. G. Velarde. Kluwer Academic Publishers, pp 25-38, 1999. - Network Connectivity, with T. L. Magnanti, in
*Annotated Bibliographies in Combinatorial Optimization,*edited by M. Dell'Amico, F. Maffioli and S. Martello. John Wiley & Sons, pp 335-354, 1997.