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Authors: Hassan Alkhiri and Malek Mouhoub

Affiliation: University of Regina, 3737 Wascana Parkway, Regina, Canada

Keyword(s): Qualitative Preferences, CP-net, Constraint Solving.

Abstract: The Conditional Preference Network (CP-net) is one of the widely used graphical models for representing and reasoning with qualitative preferences under ceteris paribus (“all else being equal”) assumptions. CP-nets have been extended to Constrained CP-nets (CCP-nets) in order to consider constraints between attributes. Adding constraints will restrict agent preferences, as some of the outcomes become infeasible. Aggregating CCP-nets (representing different agents) can be very relevant for multi-agent and recommender systems. We address this task by defining the notion of similarity between CCP-nets. The similarity is computed using the Hamming distance (between the outcomes of the related pair of CCP-nets) and the number of preference statements shared by both CCP-nets. We propose an algorithm to compute the distance between a pair of CCP-nets, based on the similarity we defined. In order to evaluate the time performance of our proposed algorithm, we conduct several experiments and r eport the related results. (More)

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Paper citation in several formats:
Alkhiri, H. and Mouhoub, M. (2022). Constrained CP-nets Similarity. In Proceedings of the 14th International Conference on Agents and Artificial Intelligence - Volume 3: ICAART; ISBN 978-989-758-547-0; ISSN 2184-433X, SciTePress, pages 226-233. DOI: 10.5220/0010802900003116

@conference{icaart22,
author={Hassan Alkhiri and Malek Mouhoub},
title={Constrained CP-nets Similarity},
booktitle={Proceedings of the 14th International Conference on Agents and Artificial Intelligence - Volume 3: ICAART},
year={2022},
pages={226-233},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010802900003116},
isbn={978-989-758-547-0},
issn={2184-433X},
}

TY - CONF

JO - Proceedings of the 14th International Conference on Agents and Artificial Intelligence - Volume 3: ICAART
TI - Constrained CP-nets Similarity
SN - 978-989-758-547-0
IS - 2184-433X
AU - Alkhiri, H.
AU - Mouhoub, M.
PY - 2022
SP - 226
EP - 233
DO - 10.5220/0010802900003116
PB - SciTePress

- Science and Technology Publications, Lda.
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