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Probabilistic Conditional Preference Networks
Proceedings of the 29th Conference on Uncertainty in Artificial Intelligence, PMLR R11:302-311, 2013.
Abstract
This paper proposes a “probabilistic” exten- sion of conditional preference networks as a way to compactly represent a probability dis- tributions over preference orderings. It stud- ies the probabilistic counterparts of the main reasoning tasks, namely dominance testing and optimisation from the algorithmical and complexity viewpoints. Efficient algorithms for tree-structured probabilistic CP-nets are given. As a by-product we obtain a linear- time algorithm for dominance testing in stan- dard, tree-structured CP-nets.