Adaptive query rewriting narrows language gaps in multilingual reasoning

A reinforcement learning agent learns to select rewriting strategies per query, outperforming static translation-based baselines.

Chinese Tech
Rui Qi · Yufeng Chen · Yunlong Liang · Chuan Meng · Sijin Lu · Ge Shi · +3 more

Beijing Jiaotong University · Tencent · University of Edinburgh

Research Digest··2 min read
The authors introduce mRewriter-R1, an agentic framework that treats multilingual query rewriting as a multi-turn sequential decision process.

The authors frame multilingual query rewriting as an open-ended planning problem rather than a one-size-fits-all translation step.

Why this paper

From Tencent and 2 others

In one line

An agentic multilingual query rewriter using reinforcement learning dynamically selects rewriting operators to improve reasoning across languages.

What we could check

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Research Digest

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