Towards a Possibilistic Logic Handling of Preferences

Benferhat, Salem; Dubois, Didier; Prade, Henri

Towards a Possibilistic Logic Handling of Preferences

Salem Benferhat, Didier Dubois, Henri Prade

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Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence. Uncertainty and Probabilistic Reasoning. Pages 1370-1374.

Abstract

The classical way of encoding preferences in decision theory is by means of utility or value functions. However agents are not always able to deliver such a function directly. In this paper, we relate three different ways of specifying preferences, namely by means of a set of particular types of constraints on the utility function, by means of an ordered set of prioritized goals expressed by logical propositions, and by means of an ordered set of subsets of possible candidates reaching the same level of satisfaction. These different expression modes can be handled in a weighted logical setting, here the one of possibilistic logic. The aggregation of preferences pertaining to different criteria can then be handled by fusing sets of prioritized goals. Apart from a better expressivity , the benefits of a logical representation of preferences are to put them in a suitable format for reasoning purposes, or for modifying or revising them.

Salem Benferhat, Didier Dubois, and Henri Prade. 1999. Towards a Possibilistic Logic Handling of Preferences. In Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence, IJCAI-99. IJCAI, 1370–1374. https://ijcai.org/proceedings/1999/194

@inproceedings{ijcai1999p194,
  title     = {Towards a Possibilistic Logic Handling of Preferences},
  author    = {Benferhat, Salem and Dubois, Didier and Prade, Henri},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  pages     = {1370--1374},
  year      = {1999},
  note      = {Uncertainty and Probabilistic Reasoning},
  url       = {https://ijcai.org/proceedings/1999/194},
}

TY  - CPAPER
TI  - Towards a Possibilistic Logic Handling of Preferences
AU  - Benferhat, Salem
AU  - Dubois, Didier
AU  - Prade, Henri
T2  - Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence, IJCAI-99
PB  - International Joint Conferences on Artificial Intelligence
PY  - 1999
SP  - 1370
EP  - 1374
UR  - https://ijcai.org/proceedings/1999/194
ER  -