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Multiagent Systems

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Prof. Dr. Jürgen Dix · Department of Informatics, TUC <strong>Multiagent</strong> <strong>Systems</strong>, WS 06/07 346/731<br />

5. Nets and coalitions 2. Four Types of Nets<br />

Lemma 5.5 (O-Path reaches Global Optimum)<br />

A path of O-contracts always exists from any task allocation<br />

to the optimal one. The length of the shortest such path is at<br />

most |T |.<br />

Does that solve our problem? (Lookahead)<br />

Definition 5.6 (Task Allocation Graph)<br />

The task allocation graph has as vertices all possible task<br />

allocations (i.e. |A| |T | ) and directed edges from one vertex<br />

to another if there is a possible contract leading from one<br />

to the other.<br />

For O-contracts, searching the graph using<br />

breadth-first search takes how much time?

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