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FedCP: Separating Feature Information for Personalized Federated Learning via Conditional Policy

Authors:

Jianqing Zhang,

Haibing GuanAuthors Info & Claims

KDD '23: Proceedings of the 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining

Pages 3249 - 3261

https://doi.org/10.1145/3580305.3599345

Published: 04 August 2023 Publication History

Abstract

Recently, personalized federated learning (pFL) has attracted increasing attention in privacy protection, collaborative learning, and tackling statistical heterogeneity among clients, e.g., hospitals, mobile smartphones, etc. Most existing pFL methods focus on exploiting the global information and personalized information in the client-level model parameters while neglecting that data is the source of these two kinds of information. To address this, we propose the Federated Conditional Policy (FedCP) method, which generates a conditional policy for each sample to separate the global information and personalized information in its features and then processes them by a global head and a personalized head, respectively. FedCP is more fine-grained to consider personalization in a sample-specific manner than existing pFL methods. Extensive experiments in computer vision and natural language processing domains show that FedCP outperforms eleven state-of-the-art methods by up to 6.69%. Furthermore, FedCP maintains its superiority when some clients accidentally drop out, which frequently happens in mobile settings. Our code is public at https://github.com/TsingZ0/FedCP.

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Index Terms

FedCP: Separating Feature Information for Personalized Federated Learning via Conditional Policy
1. Computing methodologies

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cover image ACM Conferences

KDD '23: Proceedings of the 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining

August 2023

5996 pages

ISBN:9798400701030

DOI:10.1145/3580305

General Chairs:
Ambuj Singh
UC Santa Barbara, USA
,
Yizhou Sun
UC Los Angeles, USA
,
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Leman Akoglu
Carnegie Mellon University, USA
,
Dimitrios Gunopulos
University of Athens, Greece
,
Xifeng Yan
UC Santa Barbara, USA
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Ravi Kumar
Google, USA
,
Fatma Ozcan
Google, USA
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Jieping Ye
Alibaba DAMO Academy

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Published: 04 August 2023

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Intel Corporation
Wuxi IoT Innovation Promotion Center
NSF (National Science Foundation)
National Key R&D Program of China
Eighth Research Institute in China Aerospace Science and Technology Corporation (Shanghai)

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KDD '23: The 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining

August 6 - 10, 2023

CA, Long Beach, USA

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Zhang TCheng PZhao LWang ZKong LLiu CXu GSun X(2025)TeCCo: A Terminal-Cloud Cross-Domain Collaborative Framework for Remote Sensing Image ClassificationIEEE Transactions on Geoscience and Remote Sensing10.1109/TGRS.2024.351546463(1-20)Online publication date: 2025
https://doi.org/10.1109/TGRS.2024.3515464
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