الباحثون

Samson Koelle

المنشورات 2

نسخة أولية وصول مفتوح

Learning Multi-Step Query Rewriting via Corpus Feedback for Conversational Search

João Coelho, Hong Wang, Jie Yuan وآخرون · 2026

Conversational Query Rewriting (CQR) turns a context dependent user turn into a standalone query for a retriever, and most methods do this in a single step from the dialogue history before retrieving once. The rewrite is therefore fixed before any corpus evidence is available to correct its reference resolution or its …

نسخة أولية وصول مفتوح

Giving Credit Where It's Due: Redundancy-Aware Learning for Efficient Reasoning

Yuqing Zhou, Hong Wang, Manqing Mao وآخرون · 2026

Large reasoning models can produce correct yet unnecessarily long reasoning traces. Existing methods improve reasoning efficiency with trajectory-level objectives or local token- and step-level signals, but rarely model inter-step semantic dependencies. This limits their ability to distinguish redundant steps from thos …

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