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A large‐scale linear programming model for finding optimal container inspection strategies

Author

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  • E. Boros
  • L. Fedzhora
  • P. B. Kantor
  • K. Saeger
  • P. Stroud

Abstract

Cargo ships arriving at US ports are inspected for unauthorized materials. Because opening and manually inspecting every container is costly and time‐consuming, tests are applied to decide whether a container should be opened. By utilizing a polyhedral description of decision trees, we develop a large‐scale linear programming model for sequential container inspection that determines an optimal inspection strategy under various limitations, improving on earlier approaches in several ways: (a) we consider mixed strategies and multiple thresholds for each sensor, which provide more effective inspection strategies; (b) our model can accommodate realistic limitations (budget, sensor capacity, time limits, etc.), as well as multiple container types; (c) our model is computationally more tractable allowing us to solve cases that were prohibitive in preceding models, and making it possible to analyze the potential impact of new sensor technologies. © 2009 Wiley Periodicals, Inc. Naval Research Logistics 2009

Suggested Citation

  • E. Boros & L. Fedzhora & P. B. Kantor & K. Saeger & P. Stroud, 2009. "A large‐scale linear programming model for finding optimal container inspection strategies," Naval Research Logistics (NRL), John Wiley & Sons, vol. 56(5), pages 404-420, August.
    • Handle: RePEc:wly:navres:v:56:y:2009:i:5:p:404-420
    DOI: 10.1002/nav.20349
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    Cited by:

    1. Nedialko Dimitrov & Dennis Michalopoulos & David Morton & Michael Nehme & Feng Pan & Elmira Popova & Erich Schneider & Gregory Thoreson, 2011. "Network deployment of radiation detectors with physics-based detection probability calculations," Annals of Operations Research, Springer, vol. 187(1), pages 207-228, July.
    2. Kjell Hausken, 2019. "Special versus general protection and attack of two assets," Operations Research and Decisions, Wroclaw University of Science and Technology, Faculty of Management, vol. 29(4), pages 53-93.
    3. Yada Zhu & Mingyu Li & Christina Young & Minge Xie & Elsayed Elsayed, 2011. "Impact of measurement error on container inspection policies at port-of-entry," Annals of Operations Research, Springer, vol. 187(1), pages 23-43, July.
    4. Yael Deutsch & Boaz Golany, 2019. "Securing Gates of a Protected Area: A Hybrid Game and Queueing Theory Modeling Approach," Decision Analysis, INFORMS, vol. 16(1), pages 31-45, March.
    5. Endre Boros & Noam Goldberg & Paul Kantor & Jonathan Word, 2011. "Optimal sequential inspection policies," Annals of Operations Research, Springer, vol. 187(1), pages 89-119, July.

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