Multi-objective Influence Diagrams

We describe multi-objective influence diagrams, based on a set of p objectives, where utility values are vectors in Rp , and are typically only partially ordered. These can still be solved by a variable elimination algorithm, leading to a set of maximal values of expected utility. If the Pareto ordering is used this set can often be prohibitively large. We consider approximate representations of the Pareto set based on ǫ-coverings, allowing much larger problems to be solved. In addition, we define a method for incorporating user tradeoffs, which also greatly improves the efficiency.

Authors

• Radu Marinescu 0002
• Abdul Razak
• Nic Wilson

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