- Author
- Adnan Theerens (UGent) , Oliver Urs Lenz (UGent) and Chris Cornelis (UGent)
- Organization
- Project
- Abstract
- Fuzzy rough set theory can be used as a tool for dealing with inconsistent data when there is a gradual notion of indiscernibility between objects. It does this by providing lower and upper approximations of concepts. In classical fuzzy rough sets, the lower and upper approximations are determined using the minimum and maximum operators, respectively. This is undesirable for machine learning applications, since it makes these approximations sensitive to outlying samples. To mitigate this problem, ordered weighted average (OWA) based fuzzy rough sets were introduced. In this paper, we show how the OWA-based approach can be interpreted intuitively in terms of vague quantification, and then generalize it to Choquet-based fuzzy rough sets (CFRS). This generalization maintains desirable theoretical properties, such as duality and monotonicity. Furthermore, it provides more flexibility for machine learning applications. In particular, we show that it enables the seamless integration of outlier detection algorithms, to enhance the robustness of machine learning algorithms based on fuzzy rough sets.
- Keywords
- Fuzzy rough sets, Non-additive measures, Choquet integral, Machine learning, Outlier detection
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-8758304
- MLA
- Theerens, Adnan, et al. “Choquet-Based Fuzzy Rough Sets.” INTERNATIONAL JOURNAL OF APPROXIMATE REASONING, vol. 146, 2022, pp. 62–78, doi:10.1016/j.ijar.2022.04.006.
- APA
- Theerens, A., Lenz, O. U., & Cornelis, C. (2022). Choquet-based fuzzy rough sets. INTERNATIONAL JOURNAL OF APPROXIMATE REASONING, 146, 62–78. https://doi.org/10.1016/j.ijar.2022.04.006
- Chicago author-date
- Theerens, Adnan, Oliver Urs Lenz, and Chris Cornelis. 2022. “Choquet-Based Fuzzy Rough Sets.” INTERNATIONAL JOURNAL OF APPROXIMATE REASONING 146: 62–78. https://doi.org/10.1016/j.ijar.2022.04.006.
- Chicago author-date (all authors)
- Theerens, Adnan, Oliver Urs Lenz, and Chris Cornelis. 2022. “Choquet-Based Fuzzy Rough Sets.” INTERNATIONAL JOURNAL OF APPROXIMATE REASONING 146: 62–78. doi:10.1016/j.ijar.2022.04.006.
- Vancouver
- 1.Theerens A, Lenz OU, Cornelis C. Choquet-based fuzzy rough sets. INTERNATIONAL JOURNAL OF APPROXIMATE REASONING. 2022;146:62–78.
- IEEE
- [1]A. Theerens, O. U. Lenz, and C. Cornelis, “Choquet-based fuzzy rough sets,” INTERNATIONAL JOURNAL OF APPROXIMATE REASONING, vol. 146, pp. 62–78, 2022.
@article{8758304,
abstract = {{Fuzzy rough set theory can be used as a tool for dealing with inconsistent data when there is a gradual notion of indiscernibility between objects. It does this by providing lower and upper approximations of concepts. In classical fuzzy rough sets, the lower and upper approximations are determined using the minimum and maximum operators, respectively. This is undesirable for machine learning applications, since it makes these approximations sensitive to outlying samples. To mitigate this problem, ordered weighted average (OWA) based fuzzy rough sets were introduced. In this paper, we show how the OWA-based approach can be interpreted intuitively in terms of vague quantification, and then generalize it to Choquet-based fuzzy rough sets (CFRS). This generalization maintains desirable theoretical properties, such as duality and monotonicity. Furthermore, it provides more flexibility for machine learning applications. In particular, we show that it enables the seamless integration of outlier detection algorithms, to enhance the robustness of machine learning algorithms based on fuzzy rough sets.}},
author = {{Theerens, Adnan and Lenz, Oliver Urs and Cornelis, Chris}},
issn = {{0888-613X}},
journal = {{INTERNATIONAL JOURNAL OF APPROXIMATE REASONING}},
keywords = {{Fuzzy rough sets,Non-additive measures,Choquet integral,Machine learning,Outlier detection}},
language = {{eng}},
pages = {{62--78}},
title = {{Choquet-based fuzzy rough sets}},
url = {{http://doi.org/10.1016/j.ijar.2022.04.006}},
volume = {{146}},
year = {{2022}},
}
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