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Personalized Federated Learning for Spatio-Temporal Forecasting: A Dual Semantic Alignment-Based Contrastive Approach
April 8, 2024, 4:41 a.m. | Qingxiang Liu, Sheng Sun, Yuxuan Liang, Jingjing Xue, Min Liu
cs.LG updates on arXiv.org arxiv.org
Abstract: The existing federated learning (FL) methods for spatio-temporal forecasting fail to capture the inherent spatio-temporal heterogeneity, which calls for personalized FL (PFL) methods to model the spatio-temporally variant patterns. While contrastive learning approach is promising in addressing spatio-temporal heterogeneity, the existing methods are noneffective in determining negative pairs and can hardly apply to PFL paradigm. To tackle this limitation, we propose a novel PFL method, named Federated dUal sEmantic aLignment-based contraStive learning (FUELS), which can …
abstract alignment arxiv cs.ai cs.lg federated learning forecasting patterns personalized semantic temporal type
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