Fuzzy Label: From Concept to Its Application in Label Learning

• URL: http://arxiv.org/abs/2511.07165v1
• Date: Mon, 10 Nov 2025 14:58:19 GMT
• Title: Fuzzy Label: From Concept to Its Application in Label Learning
• Authors: Chenxi Luoa, Zhuangzhuang Zhaoa, Zhaohong Denga, Te Zhangb,
• Abstract summary: This paper introduces the concept of fuzzy labels, grounded in fuzzy set theory, to better capture and represent label uncertainty.<n>We propose an efficient fuzzy labeling method that mines and generates fuzzy labels from the original data.<n>We present fuzzy-label-enhanced algorithms for both single-label and multi-label learning, using the classical K-Nearest Neighbors (KNN) and multi-label KNN algorithms as illustrative examples.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Label learning is a fundamental task in machine learning that aims to construct intelligent models using labeled data, encompassing traditional single-label and multi-label classification models. Traditional methods typically rely on logical labels, such as binary indicators (e.g., "yes/no") that specify whether an instance belongs to a given category. However, in practical applications, label annotations often involve significant uncertainty due to factors such as data noise, inherent ambiguity in the observed entities, and the subjectivity of human annotators. Therefore, representing labels using simplistic binary logic can obscure valuable information and limit the expressiveness of label learning models. To overcome this limitation, this paper introduces the concept of fuzzy labels, grounded in fuzzy set theory, to better capture and represent label uncertainty. We further propose an efficient fuzzy labeling method that mines and generates fuzzy labels from the original data, thereby enriching the label space with more informative and nuanced representations. Based on this foundation, we present fuzzy-label-enhanced algorithms for both single-label and multi-label learning, using the classical K-Nearest Neighbors (KNN) and multi-label KNN algorithms as illustrative examples. Experimental results indicate that fuzzy labels can more effectively characterize the real-world labeling information and significantly enhance the performance of label learning models.

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