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Article Dans Une Revue Minds and Machines Année : 2024

The Role of Naturalness in Concept Learning: A Computational Study

Résumé

This paper studies the learnability of natural concepts in the context of the conceptual spaces framework. Previous work proposed that natural concepts are represented by the cells of optimally partitioned similarity spaces, where optimality was defined in terms of a number of constraints. Among these is the constraint that optimally partitioned similarity spaces result in easily learnable concepts. While there is evidence that systems of concepts generally regarded as natural satisfy a number of the proposed optimality constraints, the connection between naturalness and learnability has been less well studied. To fill this gap, we conduct a computational study employing two standard models of concept learning. Applying these models to the learning of color concepts, we examine whether natural color concepts are more readily learned than nonnatural ones. Our findings warrant a positive answer to this question for both models employed, thus lending empirical support to the notion that learnability is a distinctive characteristic of natural concepts.
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hal-04368123 , version 1 (31-12-2023)

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Igor Douven. The Role of Naturalness in Concept Learning: A Computational Study. Minds and Machines, In press, ⟨10.1007/s11023-023-09652-y⟩. ⟨hal-04368123⟩
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