提出对抗式公平多视图聚类框架,让聚类结果不依赖敏感属性。
Adversarial Fair Multi-View Clustering
- 用对抗训练从特征中彻底剥离敏感属性信息
- 理论证明通过KL散度对齐可保持聚类一致性与公平性
- 在带公平约束数据集上表现优于现有方法
聚类分析是数据挖掘和机器学习中的基础问题。近年来,多视图聚类因其能整合多视角的互补信息而受到关注。然而,现有方法主要关注聚类性能,忽视了在以人为中心的应用中至关重要的公平性。尽管近期研究探索了多视图聚类中的群体公平性,但大多数方法通过对聚类分配施加显式正则化来实现,依赖于敏感属性与潜在聚类结构的一致性假设。这一假设在实践中常不成立,且会降低聚类性能。本文提出一种对抗式公平多视图聚类(AFMVC)框架,将公平性学习融入表示学习过程。具体而言,采用对抗训练从根本上消除学习特征中的敏感属性信息,确保最终聚类分配不受其影响。此外,我们理论证明:通过KL散度对齐视图特定聚类分配与公平不变共识分布,可在不显著损害公平性的前提下保持聚类一致性,为本框架提供额外理论保障。在具有公平性约束的数据集上的大量实验表明,AFMVC在公平性方面优于现有方法,同时保持了有竞争力的聚类性能。
原文摘要 · Abstract (English)
Cluster analysis is a fundamental problem in data mining and machine learning. In recent years, multi-view clustering has attracted increasing attention due to its ability to integrate complementary information from multiple views. However, existing methods primarily focus on clustering performance, while fairness-a critical concern in human-centered applications-has been largely overlooked. Although recent studies have explored group fairness in multi-view clustering, most methods impose explicit regularization on cluster assignments, relying on the alignment between sensitive attributes and the underlying cluster structure. However, this assumption often fails in practice and can degrade clustering performance. In this paper, we propose an adversarial fair multi-view clustering (AFMVC) framework that integrates fairness learning into the representation learning process. Specifically, our method employs adversarial training to fundamentally remove sensitive attribute information from learned features, ensuring that the resulting cluster assignments are unaffected by it. Furthermore, we theoretically prove that aligning view-specific clustering assignments with a fairness-invariant consensus distribution via KL divergence preserves clustering consistency without significantly compromising fairness, thereby providing additional theoretical guarantees for our framework. Extensive experiments on data sets with fairness constraints demonstrate that AFMVC achieves superior fairness and competitive clustering performance compared to existing multi-view clustering and fairness-aware clustering methods.
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