Research

Research

Journal Articles

  1. Lozano, L. and Sefair, J.A.. (2022). Network Interdiction with General Integer Variables. Under Review.
  2. Fletcher Jr., R.J., Sefair, J.A., Jaffé, R., Kortessis, N., Holt, R.D., Robertson, E., Duncan, S., Marx, A. and Austin, J. (2022). Extending isolation by resistance to predict genetic connectivityMethods in Ecology and Evolution. Accepted.
  3. Tayyebi, J., Mitra, A. and Sefair, J.A. (2022). The continuous maximum capacity path interdiction problemEuropean Journal of Operational Research. Accepted.
  4. Mehrani, S. and Sefair, J.A. (2022). Robust Assortment Optimization under Sequential Product UnavailabilityEuropean Journal of Operational Research. 303(3):1027-1043.
  5. Contardo, C. and Sefair, J.A. (2022). A Progressive Approximation Approach for the Exact Solution of Sparse Large-Scale Binary Interdiction GamesINFORMS Journal on Computing. 34(2):890-908.
  6. Zhang, R., Lu, Y., Adams, K., Sefair, J.A., Mellin, H., Acevedo, M.A. and Maciejewski, R. (2021). A Visual Analytics Framework for Conservation PlanningEnvironmental Modelling and Software. 145:105178.
  7. Ma, Y., Chandra Pydi Medini, P., Nelson, J., Wei, R., Grubesic, T., Sefair, J.A., and Maciejewski, R. (2021). A Visual Analytics System for Oil Spill Response and RecoveryIEEE Computer Graphics and Applications. 41(6):91-100.
  8. Sefair, J.A., Guaje, O. and Medaglia, A.L. (2021). A Column-Oriented Optimization Approach for the Generation of Correlated Random VectorsOR Spectrum. 43:777-808.
  9. Matin-Moghaddam, N. and Sefair, J.A. (2021). Route Assignment and Scheduling with Trajectory CoordinationIISE Transactions. 53(2):164-181.
  10. Jampani Hanumantha, G., Arici, B.T., Sefair, J.A., and Askin, R.G. (2020). Demand Prediction and Dynamic Workforce Allocation to Improve Airport Screening OperationsIISE Transactions. 52(12):1324-1342. (Featured article in ISE Magazine: Industrial and Systems Engineering at Work, 52(11), November 2020)
  11. Marx, A.J., Wang, C., Sefair, J.A., Acevedo, M.A. and Fletcher Jr., R.J. (2020). samc: An R package for connectivity modeling with spatial absorbing Markov chainsEcography. 43(4):518-527.
  12. Sefair, J.A., Espinosa, M., Medaglia, A.L., and Behrentz, E. (2019). Optimization model for urban air quality policy design: A case study in Latin AmericaComputers, Environment and Urban Systems. 78:101385.
  13. Fletcher Jr., R.J., Sefair, J.A., Wang, C., Poli, C., Smith, T., Bruna, E.M., Holt, R.D., Barfield, M., Marx, A.J., and Acevedo, M.A.(2019). Towards a unified framework for connectivity that disentangles movement and mortality in space and timeEcology Letters. 22(10):1680-1689.
  14. Sefair, J.A. and Smith, J.C. (2017). Exact Algorithms and Bounds for the Dynamic Assignment Interdiction ProblemNaval Research Logistics. 64(5):373-387.
  15. Sefair, J.A., Smith, J.C., Acevedo, M.A., and Fletcher Jr., R.J. (2017). A defender-attacker model and algorithm for maximizing weighted expected hitting time with application to conservation planningIISE Transactions. 49(12):1112-1128. (Featured article in ISE Magazine: Industrial and Systems Engineering at Work, 49(11), November 2017)
  16. Sefair, J.A., Méndez, C.Y., Babat, O., Medaglia, A.L., and Zuluaga, L.F. (2017). Linear solution schemes for Mean-SemiVariance Project portfolio selection problems: An application in the oil and gas industryOmega. 68:39-48.
  17. Sefair, J.A. and Smith, J.C. (2016). Dynamic shortest-path interdictionNetworks. 68(4):315-330.
  18. Acevedo, M.A., Sefair, J.A., Smith, J.C., Reichert, B., and Fletcher, Jr., R.J. (2015). Conservation under uncertainty: Optimal network protection strategies for worst-case disturbance events. Journal of Applied Ecology. 52(6):1588-1597.
  19. Medaglia, A.L. and Sefair, J.A. (2009). Optimizando la planeación en el sector públicoEGOB: Revista de Asuntos Públicos. 3: 44-49.
  20. Castro-Lacouture, D., Sefair, J.A., Flórez, L., and Medaglia, A.L. (2009). Optimization model for the selection of materials using a LEED-based green building rating system in ColombiaBuilding and Environment, 44(6):1162-1170.
  21. Molano, A.M., Medaglia, A.L., Sarmiento, O.L. and Sefair, J.A. (2009). Modelo de planeación de áreas urbanas para construir nuevos parques vecinales en Bogotá. Revista Planeación y Desarrollo, 39(2): 140-173.
  22. Medaglia, A.L., Hueth, D., Mendieta, J.C. and Sefair, J.A. (2008). Multiobjective model for the selection and timing of public enterprise projectsSocio-Economic Planning Sciences. 42(1):31-45.

 

Book Chapters

  1. Sefair, J.A., Molano, A., Medaglia, A.L., and Sarmiento, O.L. (2011). Locating neighborhood parks with a lexicographic multiobjective optimization method. In Community-Based Operations Research: Decision Modeling for Local Impact and Diverse Populations. Michael P. Johnson (Ed.). International Series in Operations Research & Management Science, Volume 167, Part 2, 143-171.

 

Conference Proceedings

  1. E. Pérez, L. Taunton and J. A. Sefair, “A Simulation-Optimization Approach to Improve the Allocation of Security Screening Resources in Airport Terminal Checkpoints,” 2021 Winter Simulation Conference (WSC), 2021, pp. 1-11, doi: 10.1109/WSC52266.2021.9715421.
  2. Hurtado Medina, E.M., Guaje, O., Medaglia, A.L., and Sefair, J.A. (2019). A Metaheuristic Approach for Correlated Random Vector Generation. In Proceedings of the XIII Metaheuristics International Conference (MIC).
  3. Zhou, S., Phielipp, M.J., Sefair, J.A., Walker, S.I., and Ben Amor, H. (2019). Clone Swarms: Learning to Predict and Control Multi-Robot Systems by Imitation. In Proceedings of the 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2019).
  4. Medaglia, A.L. and Sefair, J.A. (2009). Generating correlated random vectors using mixed-integer programming. In Proceedings of the 2009 Industrial Engineering Research Conference (IERC). Miami, Florida, United States.
  5. Sefair, J.A., Castro-Lacouture D., Medaglia, A.L. (2009). Material selection in building construction using optimal scoring method (OSM). Samuel T. Ariaratnam and Eddy M. Rojas (editors). In Proceedings of the 2009 Construction Research Congress, ASCE, Seattle, Washington, United States. pp. 1079-1086.
  6. Castro-Lacouture, D., Sefair, J.A., Flórez, L., Medaglia, A.L. (2009). Optimization model for the selection of materials using the LEED green building rating system. Samuel T. Ariaratnam and Eddy M. Rojas (editors). In Proceedings of the 2009 Construction Research Congress, ASCE, Seattle, Washington, United States. pp. 608-617.
  7. Vargas, M. A., Sefair, J.A. , Walteros, J.L., Medaglia, A.L., Rivera, L. (2008). Car pooling optimization: a case study in Strasbourg (France). In Proceedings of the 2008 IEEE Systems and Information Engineering Design Symposium, Charlottesville, Virginia, United States. pp. 89-94.
  8. Zuluaga, A., Sefair, J.A. and Medaglia, A.L.. (2007). Model for the selection and scheduling of interdependent projects. In Proceedings of the 2007 IEEE Systems and Information Engineering Design Symposium, Charlottesville, Virginia, United States.
  9. Sefair, J.A. and Medaglia, A.L. (2006). Selección y ordenamiento de proyectos de inversión con restricciones de recursos de capacidad finita. XIII Congreso Latino-Iberoamericano de Investigación de Operaciones (CLAIO), Montevideo, Uruguay.
  10. Sefair, J.A. and Medaglia, A.L. (2005). Towards a model for selection and scheduling of risky projects. Ellen J. Bass, (editor). In Proceedings of the 2005 Systems and Information Engineering Design Symposium, Charlottesville, Virginia, United States.