Active-Passive Federated Learning for Vertically Partitioned Multi-view Data

• URL: http://arxiv.org/abs/2409.04111v1
• Date: Fri, 6 Sep 2024 08:28:35 GMT
• Title: Active-Passive Federated Learning for Vertically Partitioned Multi-view Data
• Authors: Jiyuan Liu, Xinwang Liu, Siqi Wang, Xingchen Hu, Qing Liao, Xinhang Wan, Yi Zhang, Xin Lv, Kunlun He,
• Abstract summary: We propose a flexible Active-Passive Federated learning (APFed) framework. Active client is the initiator of a learning task and responsible to build the complete model, while the passive clients only serve as assistants. In addition, we instance the APFed framework into two classification methods with employing the reconstruction loss and the contrastive loss on passive clients, respectively.
• Score: 48.985955382701185
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Vertical federated learning is a natural and elegant approach to integrate multi-view data vertically partitioned across devices (clients) while preserving their privacies. Apart from the model training, existing methods requires the collaboration of all clients in the model inference. However, the model inference is probably maintained for service in a long time, while the collaboration, especially when the clients belong to different organizations, is unpredictable in real-world scenarios, such as concellation of contract, network unavailablity, etc., resulting in the failure of them. To address this issue, we, at the first attempt, propose a flexible Active-Passive Federated learning (APFed) framework. Specifically, the active client is the initiator of a learning task and responsible to build the complete model, while the passive clients only serve as assistants. Once the model built, the active client can make inference independently. In addition, we instance the APFed framework into two classification methods with employing the reconstruction loss and the contrastive loss on passive clients, respectively. Meanwhile, the two methods are tested in a set of experiments and achieves desired results, validating their effectiveness.

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