Spatial-temporal (ST) forecasting underpins many real-world systems such as traffic, climate, and energy networks. While existing methods implicitly assume strong spatiotemporal coupling, we observe that real-world ST data exhibits distinct coupling regimes, ranging from temporal-dominated and spatial-dominated to stro...
Zhen-Yu Lei, Cheng-Hao Liu, Yu-Shun Dong et al.· 0 citations
Reasoning distillation from powerful teacher models to smaller students faces the Gap Curse: as teachers grow more sophisticated, their complex distributions increasingly diverge from what students can approximate, causing performance degradation. Existing mitigation strategies either filter out challenging examples th...
Zhen-Yu Lei, Zi-Han Chen, Yao-Chen Zhu et al.· 0 citations
Existing summarizers for memory systems are typically optimized for human-facing criteria such as faithfulness, which misaligns with their true objective: preserving the evidence needed to support future queries. We show that conditioning summarization on query-answer pairs substantially improves answer quality, and th...
Zhen-Yu Lei, Ming-Jia Shi, Xing-Bo Fu et al.· 0 citations
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