Explaining Meta-Features Importance in Meta-Learning Through Shapley Values - Archive ouverte HAL
Communication Dans Un Congrès Année : 2023

Explaining Meta-Features Importance in Meta-Learning Through Shapley Values

Résumé

Meta-learning, or the ability of a machine learning model to adapt and improve on a wide range of tasks, has gained significant attention in recent years. A crucial aspect of meta-learning is the use of meta-features, which are high-level characteristics of the data that can guide the learning process. However, it is a challenging task to determine the importance of different meta-features in a specific context. In this paper, we propose the use of Shapley values as a method for explaining the importance of meta-features in meta-learning process. Whereas, Shapley values is a well-established method in game theory. It has been used for fair distribution of payouts among a group of individuals, based on the separate contribution of meta-features to the overall payout. Recently, these have been also applied to machine learning to understand the contribution of different features in a model’s prediction. We observe that a better understanding of meta-features, using the Shapely values, can be gained to evaluate their importance. In the context of meta-learning it may aid to improve the performance of the model. Our results demonstrate that Shapley values can provide insight into the relative importance of different meta-features and how they interact in the learning process. This can fairly optimize the meta-learning models, resulting in more accurate and effective predictions. Overall, this work conclude that Shapley values can be a useful tool in guiding the design of meta-features and these can be used to improve the performance of the meta-learning algorithms.

Dates et versions

hal-04573670 , version 1 (13-05-2024)

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Moncef Garouani, Adeel Ahmad, Mourad Mohamed Bouneffa. Explaining Meta-Features Importance in Meta-Learning Through Shapley Values. 25th International Conference on Enterprise Information Systems (ICEIS 2023), Apr 2023, Prague, France. pp.591--598, ⟨10.5220/0011986600003467⟩. ⟨hal-04573670⟩
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