STHMoE: Hypergraph-Enhanced Heterogeneous Dependency Coordination for LLM-Based Urban Traffic Data Forecasting
STHMoE decouples traffic dynamics into frequency-domain, time-domain, spatio-domain, spatio-domain, and higher-order spatial representations, which are modeled by prompt-guided heterogeneous experts built upon a partially frozen LLM backbone.
Jia-Wen Chen, Qi Shao, Yong-Jian Chang et al.
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