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Xi-Wei Dai

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#artificial intelligence Preprint Sep 2026

ReLMem: Learning Recurrent Memory for Longitudinal EHR Modeling

Recurrent Longitudinal Memory (ReLMem), a framework that learns to maintain fixed-capacity patient memory for efficient downstream prediction with a frozen LLM, is introduced and a multi-granularity optimization strategy to preserve task-relevant information throughout recurrent updates and support downstream predictio...

Zi-Jie Meng, Xi-Wei Dai, Ying-Ying Zhang et al. · 0 citations
Preprint Aug 2026

CDEG: Learning Decision-Critical Evidence for Long-Horizon Diagnostic Agents

CDEG, a graph-based framework that learns reusable decision-critical evidence from historical diagnostic trajectories, is introduced, demonstrating that reliable long-horizon diagnosis requires moving beyond trajectory-level experience reuse toward evidence-level learning of the factors that truly shape clinical decisi...

Xi-Wei Dai, Zi-Jie Meng, Zhiting Fan et al. · 0 citations
#artificial intelligence Review May 2026

MIRA: A Bilingual Benchmark for Medical Information Response Audit

The Medical Information Response Audit (MIRA), a bilingual, controlled benchmark that assesses whether LLMs provide comparable medical information across user-side language, register, and health literacy signals, is introduced.

Mengyun Xu, Qiaoxin Yang, Qian-Qian Wang et al. · 1 citation
Open access Jul 2026

A multimodal vision-language model for comprehensive dental diagnosis and enhanced clinical practice

DentVLM is a dental vision-language model developed to support dental diagnosis across seven oral imaging modalities and 36 tasks that surpasses junior readers, matches intermediate general practitioners and approaches senior specialists, and reduces diagnostic time by 15.0-37.0% in collaborative clinical workflows.

Zijie Meng, Jinxiang Hao, Xi-Wei Dai et al. · 1 citation
#artificial intelligence Preprint Aug 2026

DentAgent: Evidence-Centric Multi-Agent Coordination for Multimodal Dental Reasoning

DentAgent is introduced, an evidence-centric multi-agent framework, in which the Orchestrator coordinate five specialized agents spanning various modalities, which supports its value for broadly applicable and traceable multimodal dental reasoning, and highlights its potential as a technical foundation for population o...

Zi-Jie Meng, Xi-Wei Dai, Yi-Xuan Tang et al. · 0 citations

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