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Author

Hong-Bo Xu

2 papers indexed here

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2026

RADAR: Retrieval-Aligned Attribution and Dual-Perspective Reasoning for Conversational Query Rewriting

Conversational Query Rewriting (CQR) plays a vital role in modern information retrieval by transforming ambiguous user queries into self-contained versions that can be effectively processed by standard retrieval systems. Although essential for maintaining conversational context, current approaches tend to depend heavil...

Jia-Rui Lu, Tao Fang, Tian-Yu Zhang et al. · 0 citations
#natural language process... Preprint Sep 2026

Where to Look and What to Use: Retrieve-Localize-Generate for Long-Term Conversational Memory Question Answering

This work proposes MemLoc, a unified Retrieve-Localize-Generate framework for long-term conversational memory QA, and introduces a reasoning-based evidence locator trained with Self-reflective Hint Policy Optimization, which performs progressive refinement by extracting query-relevant fragments within memory units to s...

Yi-Fan Wang, Xin-Kui Lin, Yong-Xiu Xu et al. · 0 citations

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