Causal Fairness-Guided Dataset Reweighting using Neural Networks

• URL: http://arxiv.org/abs/2311.10512v1
• Date: Fri, 17 Nov 2023 13:31:19 GMT
• Title: Causal Fairness-Guided Dataset Reweighting using Neural Networks
• Authors: Xuan Zhao and Klaus Broelemann and Salvatore Ruggieri and Gjergji Kasneci
• Abstract summary: We construct a reweighting scheme of datasets to address causal fairness. Our approach aims at mitigating bias by considering the causal relationships among variables. We show that our method can achieve causal fairness on the data while remaining close to the original data for downstream tasks.
• Score: 25.492273448917278
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The importance of achieving fairness in machine learning models cannot be overstated. Recent research has pointed out that fairness should be examined from a causal perspective, and several fairness notions based on the on Pearl's causal framework have been proposed. In this paper, we construct a reweighting scheme of datasets to address causal fairness. Our approach aims at mitigating bias by considering the causal relationships among variables and incorporating them into the reweighting process. The proposed method adopts two neural networks, whose structures are intentionally used to reflect the structures of a causal graph and of an interventional graph. The two neural networks can approximate the causal model of the data, and the causal model of interventions. Furthermore, reweighting guided by a discriminator is applied to achieve various fairness notions. Experiments on real-world datasets show that our method can achieve causal fairness on the data while remaining close to the original data for downstream tasks.

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