Preference Reasoning

13 years 10 months ago

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Abstract. Constraints and preferences are ubiquitous in real-life. Moreover, preferences can be of many kinds: qualitative, quantitative, conditional, positive or negative, to name a few. Our ultimate goal is to deﬁne and study formalisms that can model problems with both constraints and many kind of preferences, possibly deﬁned by several agents, and to develop tools to solve such problems efﬁciently. In this paper we brieﬂy report on recent work towards this goal. Motivation and main goal. Preferences are ubiquitous in real life. In fact, most problems are over-constrained and would not be solvable if we insist that all their requirements are strictly met. Moreover, solvable problems have solutions with different desirability. Finally, many problems are more naturally described via preferences rather than hard statements. In some cases it could be more natural to express preferences in quantitative terms, while in other situations it could be better to use qualitative stateme...

Francesca Rossi

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