@conference {1506239,
	title = {GUARDS - Innovative Application of Game Theory for National Airport Security },
	booktitle = {International Joint Conference on Artificial Intelligence (IJCAI)},
	year = {2011},
	abstract = {We describe an innovative application of a novel
game-theoretic approach for a national scale security deployment. Working with the United States
Transportation Security Administration (TSA), we
have developed a new application called GUARDS
to allocate the TSA{\textquoteright}s limited resources across hundreds of security activities to provide protection
at over 400 United States airports. Similar security applications (e.g., ARMOR and IRIS) have focused on one-off tailored applications and one security activity (e.g. checkpoints) per application,
GUARDS on the other hand faces three new key
issues: (i) reasoning about hundreds of heterogeneous security activities; (ii) reasoning over diverse
potential threats; (iii) developing a system designed
for hundreds of end-users. Since a national deployment precludes tailoring to specific airports, our
key ideas are: (i) creating a new game-theoretic
framework that allows for heterogeneous defender
activities and compact modeling of a large number
of threats; (ii) developing an efficient solution technique based on general purpose Stackelberg game
solvers; (iii) taking a partially centralized approach
for knowledge acquisition. The scheduling assistant has been delivered to the TSA and is currently
undergoing evaluation for scheduling practices at
an undisclosed airport. If successful, the TSA intends to incorporate the system into their unpredictable scheduling practices nationwide.},
	author = {Pita, James and Tambe, Milind and Kiekintveld, Christopher and Shane Cullen and Erin Steigerwald}
}
