The Hts Simulator

Paul R. Cohen, Clayton T. Morrison

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations


The Hats Simulator is designed to be a lightweight proxy for many intelligence analysis problems, and thus a test environment for analysts' tools. It is a virtual world in which many agents engage in individual and collective activities. Most agents are benign, some intend harm. Agent activities are planned by a generative planner. Playing against the simulator, the job of the analyst is to find harmful agents before they carry out their plans. The simulator maintains information about all agents. However, information is hidden from the analyst and some is expensive. After each game, the analyst is assessed a set of scores including the cost of acquiring information about agents, the cost of falsely accusing benign agents, and the cost of failing to detect harmful agents. The simulator is implemented and currently manages the activities of up to one hundred thousand agents.

Original languageEnglish (US)
Pages (from-to)849-855
Number of pages7
JournalProceedings - Winter Simulation Conference
StatePublished - 2004
EventProceedings of the 2004 Winter Simulation Conference - Washington, DC, United States
Duration: Dec 5 2004Dec 8 2004

ASJC Scopus subject areas

  • Software
  • Modeling and Simulation
  • Computer Science Applications


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