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Author

Yiyao Liu

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Open access Aug 2026

Controlled Local–Global Channel Communication for Multivariate Long-Term Forecasting

Multivariate long-term forecasting requires deciding how much cross-channel structure can be exploited reliably, yet existing architectures fix this decision by design, from no exchange at all to unrestricted mixing. We argue that the amount should instead be selected from data, and propose CLOC (Controlled Local–Globa...

Yu-Hao Song, Yiyao Liu, Chang Wang et al. · 0 citations
Preprint Aug 2026

Difficulty-Aware Semantic-ID Optimization for Generative Recommendation

Difficulty-Aware Semantic-ID Optimization (DASO), a tree-aware post-training method that addresses failure mode as an online rollout-allocation problem and improves over MiniOneRec-style GRPO on 11 of 12 metrics and achieves the best result on 9 of 12 metrics.

Xin Yu, Stephen Li, S. Aghaei et al. · 1 citation

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