Author

Zilin Xiao

Rice University

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Preprint Oct 2026

Learning to Program Retrievals: Composing Search Primitives via Reinforcement Learning

Retrieval-augmented language models increasingly use multi-step search to solve knowledge-intensive tasks, yet existing systems typically expose retrieval through fixed pipelines or collections of atomic tools. We introduce Retrieval Program Learning (RPL), a programmable search framework that allows a policy to compos...

Kyuyoung Kim, Zilin Xiao, Zhi-Yuan Wang et al. · 0 citations

Preprint Aug 2026

Perception Before Reasoning: Dynamic Latent Reasoning for Video Understanding and Question Answering

DyLaR is proposed, which first grounds a question in a short block of perception latents, and then adaptively decides whether to append reasoning latents before answering, and which improves average accuracy over same-backbone baselines while generating fewer than 20 tokens per query.

Hao-Tian Xia, Zilin Xiao, Junbo Zou et al. · 0 citations