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Effective Search for a Naval Mine with Application to Distributed Failure Detection

Effective Search for a Naval Mine with Application to Distributed Failure Detection. Jun Kiniwa , Kensaku Kikuta and Toshio Hamda (Japan). S hips transport goods on a ring. A terrorist may lay a mine on the route. The ships dispatch a reconnaissance boat.

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Effective Search for a Naval Mine with Application to Distributed Failure Detection

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  1. Effective Search for a Naval Mine with Application to Distributed Failure Detection Jun Kiniwa, KensakuKikuta and Toshio Hamda (Japan) • Ships transport goods on a ring. • A terrorist may lay a mine on the route. • The ships dispatch a reconnaissance boat. • Reconnaissance at every port is very costly. • Consider a mixed strategy for (dispatch, ￢dispatch) Problem

  2. Two-person Zero Sum Game player A player B • Transport ship(s) vs. Terrorist • Mine-preparing Probability Not prepared yet Prepared but not laid Ship proceeds Reconnaissance cost

  3. Case 1: After Explosion --- Game Continuation • One of the ships may be broken...

  4. Case 2: After Explosion --- Game Termination • Only one transport ship

  5. Countermeasure • Two boats improve safety

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