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Ying Shen on Muck Rack

Ying Shen

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Articles

Computer Science > Machine Learning

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By Zhenqing Ling, Yiyang Zhao, Ying Shen
| arxiv.org
Online reinforcement learning is widely used to align large language models (LLMs) with reward signals, yet training can be unstable under noisy or misspecified rewards. We identify a failure mode we call directional inconsistency: within a batch, a small set of high-reward rollouts induces representation-space preference directions that sharply disagree with the batch majority, resulting in high-variance and destabilizing updates.
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Cancer burden among adults aged 65 years and older in Asia, 1990–2023: a systematic analysis of the Global Burden of Disease Study 2023

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By Tianjiao Zhou, Enhui Zhou, Wen Lu, Jianyin Zou, Jingyu Zhang, Chenyang Li, Hangdong Shen, Chen Xu, Ying Shen, Jianxiang Li, Huaming Zhu, Chuan Xu, Hongliang Yi, Shankai Yin, Weijun Huang
| Nature Verified
Abstract Older adults bear a substantial and increasing share of the cancer burden in Asia, yet its temporal trends, geographical heterogeneity, and inequalities remain insufficiently characterised.
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Advancing Upper Limb Motor Recovery in Acute Ischemic Stroke with Transcutaneous Auricular Vagus Nerve Stimulation

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By Yong-Qiang Li, Chuan Guo, Ying Shen
| Archives of Physical Medicine and Rehabilitation Verified
Affiliations & Notes 1Department of Rehabilitation Medicine, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China 2Department of Rehabilitation Medicine, The Affiliated Suqian Hospital of Xuzhou Medical University, Suqian, Jiangsu, China Article Info Publication History: Received June 9, 2025; Revised October 23, 2025; Accepted April 29, 2026; Published online May 13, 2026 DOI: 10.1016/j.apmr.2026.04.039 External LinkAlso available on ScienceDirect External...
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