Abstract
Conditional Preference Networks (CP-nets) have been proposed for modeling and reasoning about combinatorial decision domains. However, the study of CP-nets learning has not advanced sufficiently for their widespread use in complex, real-world applications where the problem is large-scale and the data is not clean. In many real world applications, due to either the randomness of the users’ behaviors or the observation errors, the data-set in hand could be inconsistent, i.e., there exists at least one outcome preferred over itself in the data-set. In this work, we present an evolutionary-based method for solving the CP-net learning problem from inconsistent examples. Here, we do not learn the CP-nets directly. Instead, we frame the problem of learning into an optimization problem and use the power of evolutionary algorithms to find the optimal CP-net. The experiments indicate that the proposed approach is able to find a good quality CP-net and outperforms the current state-of-the-art algorithms in terms of both sample agreement and graph similarity.
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Haqqani, M., Li, X. (2017). An Evolutionary Approach for Learning Conditional Preference Networks from Inconsistent Examples. In: Cong, G., Peng, WC., Zhang, W., Li, C., Sun, A. (eds) Advanced Data Mining and Applications. ADMA 2017. Lecture Notes in Computer Science(), vol 10604. Springer, Cham. https://doi.org/10.1007/978-3-319-69179-4_35
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DOI: https://doi.org/10.1007/978-3-319-69179-4_35
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