Slide deck of user prompts for the TRUSTS Mobile App demonstration at the AAMAS 2013 conference.

1. THE TRUSTS SYSTEM
Tactical Randomizations for Urban Security in
Transit Systems and its Mobile App
Submission 25

2. THE TRUSTS SYSTEM
Part 1: An Overview of the TRUSTS System
Submission 25

3. Setting: Proof of Payment Transit Systems

4. Motivation: Fare Evasion in L.A. Metro

5. The Stackelberg Games Model

6. Modeling the Transit Patrolling Problem

7. The TRUSTS Approach
Reduced Transit System Transition Graph

8. TRUSTS-Generated Schedules
Optimized Patrol Strategy

9. TRUSTS and The METRO App

10. The METRO App
Schedule View Reporting View Summary View

11. The METRO App: Schedule View

12. The METRO App: Reporting View

13. The METRO App: Summary View

14. THE TRUSTS SYSTEM
Part 2: Interactive Simulation
Submission 25

15. Setup
TRUSTS The METRO App
Simulation Display Monitor

16. Start of the Shift
• Launch the app into
the Schedule View to
see the TRUSTS-
generated patrol
schedule

17. Current Patrol Action: Station Check

18. Patrol Event Occurrence
• No violations found!

19. Patrol Officer Response
• Prepare for next patrol
action

20. Current Patrol Action: Metro Check

21. Patrol Event Occurrence
• Four inspected
passengers have valid
tickets

22. Patrol Officer Response
• Use Reporting View to
report four passed
passenger checks in
this shift segment

23. Patrol Event Occurrence
• Fare evader caught!

24. Patrol Officer Response
• Use Reporting View to
report one violation
issued in this shift
segment
• Prepare for next patrol
action

25. Current Patrol Action: Station Check

26. Patrol Event Occurrence
• An arrest was made!

27. Patrol Officer Response
• Use Reporting View to
report one arrest in this
shift segment

28. Patrol Event Occurrence
• The arrest caused the
patrol officer to miss
the next patrol action!

29. Patrol Event Response
• Update the location to
the current station

30. Patrol Event Response
• Select the current
station

31. Metro App Response
• Current location is
updated
• A new schedule is
generated from the
TRUSTS-generated
strategy
• The officer can
continue their shift with
the new schedule

32. End of the Shift
• The officer submits
their shift data report

33. THE TRUSTS SYSTEM
Part 3: Real-World System Deployment
Submission 25

34. Robust Deployment in the
L.A. Metro System
• Successful in L.A. Metro System simulation and trial
testing
• Deter fare evasion and crime
• Maximize transit system revenue
• Valuable data collection for analysis by TRUSTS
research team and L.A. Police Department
• Efficient violation data reporting for LAPD officers

35. THE TRUSTS SYSTEM
Thank you!
Submission 25