University of Southern California
Research Group

TRUSTS : Tactical Randomization for Urban Security in Transit Systems



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Motivation

In many urban transit networks including the LA Metro subway system, there are no ticket-checking gates at the stations. With approximately 80,000 riders using the LA Metro subway system daily, fare evasion can potentially lead to large amount of revenue loss. The LA Sheriffs Department deploys patrol units on board trains and at stations for fare-checking and crime-prevention. Our goal is to design randomized patrol strategies that efficiently utilize limited resources to deter fare-evasion.



Publications

Title Author Published At Year Download
TRUSTS: Scheduling Randomized Patrols for Fare Inspection in Transit Systems Zhengyu Yin, Albert Jiang, Matthew Johnson, Milind Tambe, Christopher Kiekintveld, Kevin Leyton-Brown, Tuomas Sandholm, John Sullivan Conference on Innovative Applications of Artificial Intelligence (IAAI) 2012 download
Towards Optimal Patrol Strategies for Fare Inspection in Transit Systems Albert Xin Jiang, Zhengyu Yin, Matthew P. Johnson, Christopher Kiekintveld, Kevin Leyton-Brown, Tuomas Sandholm, Milind Tambe AAAI Spring Symposium on Game Theory for Security, Sustainability and Health 2012 download