Author

Yubin Wang

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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. · IEEE Transactions on Audio,... · 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

#artificial intelligence Apr 2026

Does Unification Come at a Cost? Uni-SafeBench: A Safety Benchmark for Unified Multimodal Large Models

It is found that the original safety alignment of the underlying LLM is not consistently preserved in current unified models, and open-source UMLMs exhibit much lower safety performance than multimodal large models specialized for either generation or understanding tasks, particularly on the generation side.

Zi Peng, Yongxiu Xu, Qinyi Zhang et al. · arXiv.org · 0 citations