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Ying-Long Xia

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Decision-Oriented Recommendation Reranking: An Empirical Study of Jev

Large language models (LLMs) have shown promise for recommendation reranking, but their use introduces an important tradeoff between recommendation quality and serving efficiency. We investigate whether a decision-oriented model provides a useful alternative when the reranking task is fundamentally a structured choice...

Hanjia Lyu, Ying-Long Xia · 0 citations
#natural language process... Preprint Sep 2026

Knowledge Distillation During Mid-Training Favors Reasoning over Factual Recall

Switch Distillation is proposed, a simple mid-training objective that distills on tokens where the teacher is confident, using teacher predictive entropy as a lightweight routing signal, and otherwise falls back to cross-entropy, which consistently outperforms existing distillation objectives across teacher sizes.

Jacqueline He, Howard Yen, S. Li et al. · 0 citations

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