arXivDaily arXiv每日学术速递 周一至周五更新

高校专区

Cornell University(康奈尔大学)

2026-04-20 至 2026-04-20 共收录 3
2604.15672 2026-04-20 cs.LG cs.CL

Faster LLM Inference via Sequential Monte Carlo

通过序列蒙特卡洛方法加速大语言模型推理

Yahya Emara, Mauricio Barba da Costa, Chi-Chih Chang, Cameron Freer, Tim Vieira, Ryan Cotterell, Mohamed S. Abdelfattah

机构 * Cornell University(康奈尔大学) Makora(马科拉) MIT(麻省理工学院) ETH Zürich(苏黎世联邦理工学院)

AI总结 本文提出SMC-SD方法,通过重要性加权重采样替代传统拒绝采样,提升推理速度,实验证明在多个基准测试中保持高精度的同时,比推测解码和自回归解码分别快2.36倍和5.2倍。

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2604.15555 2026-04-20 cs.CV

CXR-LT 2026 Challenge: Multi-Center Long-Tailed and Zero Shot Chest X-ray Classification

CXR-LT 2026挑战:多中心长尾和零样本胸片分类

Hexin Dong, Yi Lin, Pengyu Zhou, Fengnian Zhao, Alan Clint Legasto, Juno Cho, Dohui Kim, Justin Namuk Kim, Mingeon Kim, Sunwoo Kwak, Gabriel Moyà-Alcover, Ky Trung Nguyen, Thanh-Huy Nguyen, Ha-Hieu Pham, Huy-Hieu Pham, Huy Le Pham, Nikhileswara Rao Sulake, Aina Tur-Serrano, Ruichi Zhang, Ang Zu, Adam E. Flanders, Zhiyong Lu, Ronald M. Summers, Mingquan Lin, Hao Chen, Yuzhe Yang, George Shih, Yifan Peng

机构 * Department of Population Health Sciences, Weill Cornell Medicine(韦尔·科恩医学中心流行病学与公共卫生科学系) Department of Radiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College(中国医学科学院阜外医院心血管病国家中心放射科) Department of Radiology, West China School of Medicine, Sichuan University(四川大学西昌医学院放射科) Sichuan University Affiliated Chengdu Second People’s Hospital(四川大学附属成都第二人民医院) Department of Radiology, Weill Cornell Medicine(韦尔·科恩医学中心放射科) School of Electrical Engineering, Korea Advanced Institute of Science and Technology(韩国科学技术院电子工程学院) Gwangju Institute of Science and Technology(光州科学技术院) Department of Biomedical Engineering, Case Western Reserve University(凯斯西储大学生物医学工程系) School of Electrical and Computer Engineering, Cornell Tech(康奈尔科技学院电气与计算机工程系) Department of Mathematics and Computer Science, Universitat de les Illes Balears(巴利阿里大学数学与计算机科学系) School of Computer Science and Engineering, VNU-HCM International University(VNU-HCM国际大学计算机科学与工程系) Vietnam National University, Ho Chi Minh City(越南国家大学河内市分校) School of Computer Science, Carnegie Mellon University(卡内基梅隆大学计算机科学系) VNU-HCM University of Science, Ho Chi Minh City(VNU-HCM科技大学河内市分校)

AI总结 本文提出CXR-LT 2026挑战,通过多中心数据集和零样本任务,研究长尾分布和开放世界下的胸片分类问题,评估视觉语言模型在罕见疾病检测中的表现。

Comments 25 pages, 6 figures

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2509.19104 2026-04-20 cs.LG stat.ML

Online Distributionally Robust LLM Alignment via Regression to Relative Reward

通过回归相对奖励实现在线分布鲁棒LLM对齐

Sharan Sahu, Martin T. Wells

机构 * Department of Statistics and Data Science(统计与数据科学系) Cornell University(康奈尔大学)

AI总结 本文提出DRO-REBEL方法,通过类型-p Wasserstein、KL和χ²模糊集实现分布鲁棒优化,证明了在偏好转移下的参数误差界,并在多个基准测试中优于现有基线。

Comments 70 pages, 7 figures, 1 table

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