arXivDaily arXiv每日学术速递 周一至周五更新

作者

Jiawei Han

Data Mining

共收录 308
2602.15898 2026-02-19 cs.CL

MultiCube-RAG for Multi-hop Question Answering

多跳问答的MultiCube-RAG

Jimeng Shi, Wei Hu, Runchu Tian, Bowen Jin, Wonbin Kweon, SeongKu Kang, Yunfan Kang, Dingqi Ye, Sizhe Zhou, Shaowen Wang, Jiawei Han

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) Korea University(韩国大学)

AI总结 MultiCube-RAG通过多维立方体结构实现多跳问答的高效推理与检索,提升响应准确率并增强可解释性。

Comments 12 pages

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2508.01055 2026-02-17 cs.LG cs.AI q-bio.BM q-bio.QM

FGBench: A Dataset and Benchmark for Molecular Property Reasoning at Functional Group-Level in Large Language Models

FGBench: 一个用于大语言模型中功能基团级分子属性推理的数据集和基准

Xuan Liu, Siru Ouyang, Xianrui Zhong, Jiawei Han, Huimin Zhao

机构 * Department of Chemical and Biomolecular Engineering, University of Illinois Urbana-Champaign(化学与生物分子工程系,伊利诺伊大学厄巴纳-香槟分校) Department of Computer Science, University of Illinois Urbana-Champaign(计算机科学系,伊利诺伊大学厄巴纳-香槟分校)

AI总结 FGBench通过构建包含功能基团级信息的数据集,提升大语言模型在分子属性推理任务中的能力。

Comments NeurIPS 2025 (Datasets and Benchmarks Track)

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2505.07671 2026-02-17 cs.CL cs.AI cs.IR

Benchmarking Retrieval-Augmented Generation for Chemistry

基于化学领域的检索增强生成基准测试

Xianrui Zhong, Bowen Jin, Siru Ouyang, Yanzhen Shen, Qiao Jin, Yin Fang, Zhiyong Lu, Jiawei Han

机构 * Siebel School of Computing and Data Science, University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校Siebel计算与数据科学学院) National Library of Medicine, National Institutes of Health(美国国立卫生研究院国家医学图书馆)

AI总结 本文提出ChemRAG-Bench和Toolkit,用于评估RAG在化学领域的有效性,并展示RAG在化学任务中比直接推理方法有17.4%的性能提升。

Comments Accepted to COLM 2025

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2602.11598 2026-02-13 cs.RO cs.AI cs.CV

ABot-N0: Technical Report on the VLA Foundation Model for Versatile Embodied Navigation

ABot-N0:关于VLA基础模型在多功能具身导航中的技术报告

Zedong Chu, Shichao Xie, Xiaolong Wu, Yanfen Shen, Minghua Luo, Zhengbo Wang, Fei Liu, Xiaoxu Leng, Junjun Hu, Mingyang Yin, Jia Lu, Yingnan Guo, Kai Yang, Jiawei Han, Xu Chen, Yanqing Zhu, Yuxiang Zhao, Xin Liu, Yirong Yang, Ye He, Jiahang Wang, Yang Cai, Tianlin Zhang, Li Gao, Liu Liu, Mingchao Sun, Fan Jiang, Chiyu Wang, Zhicheng Liu, Hongyu Pan, Honglin Han, Zhining Gu, Kuan Yang, Jianfang Zhang, Di Jing, Zihao Guan, Wei Guo, Guoqing Liu, Di Yang, Xiangpo Yang, Menglin Yang, Hongguang Xing, Weiguo Li, Mu Xu

AI总结 ABot-N0通过统一的VLA基础模型实现多功能具身导航,结合认知大脑与动作专家架构,在多个基准测试中超越专用模型,支持动态环境中的长周期任务。

Comments Project Page: https://amap-cvlab.github.io/ABot-Navigation/ABot-N0/

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2505.12709 2026-02-11 cs.LG

Pave Your Own Path: Graph Gradual Domain Adaptation on Fused Gromov-Wasserstein Geodesics

为自己铺路:基于融合的Gromov-Wasserstein测地线的图渐进域适应

Zhichen Zeng, Ruizhong Qiu, Wenxuan Bao, Tianxin Wei, Xiao Lin, Yuchen Yan, Tarek F. Abdelzaher, Jiawei Han, Hanghang Tong

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校)

AI总结 提出Gadget框架,通过融合Gromov-Wasserstein测地线实现非IID图数据的渐进域适应,提升图DA方法的准确率。

Comments 35 pages, 10 figures

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2602.07276 2026-02-10 cs.AI cs.CL cs.LG

Steer2Adapt: Dynamically Composing Steering Vectors Elicits Efficient Adaptation of LLMs

Steer2Adapt:动态组合转向向量引发LLM高效适应

Pengrui Han, Xueqiang Xu, Keyang Xuan, Peiyang Song, Siru Ouyang, Runchu Tian, Yuqing Jiang, Cheng Qian, Pengcheng Jiang, Jiashuo Sun, Junxia Cui, Ming Zhong, Ge Liu, Jiawei Han, Jiaxuan You

AI总结 STEER2ADAPT通过动态组合转向向量实现LLM高效适应,适用于需要多协调能力的复杂任务。

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2602.03689 2026-02-04 cs.CL cs.AI

Rethinking the Reranker: Boundary-Aware Evidence Selection for Robust Retrieval-Augmented Generation

重新思考重排序器:面向鲁棒检索增强生成的边界感知证据选择

Jiashuo Sun, Pengcheng Jiang, Saizhuo Wang, Jiajun Fan, Heng Wang, Siru Ouyang, Ming Zhong, Yizhu Jiao, Chengsong Huang, Xueqiang Xu, Pengrui Han, Peiran Li, Jiaxin Huang, Ge Liu, Heng Ji, Jiawei Han

机构 * University of Illinois Urbana-Champaign Hong Kong University of Science Washington University in St. Louis Texas A\&M University

AI总结 BAR-RAG通过边界感知证据选择提升检索增强生成在噪声下的鲁棒性与性能

Comments 19 pages, 8 tables, 5 figures

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2506.04458 2026-02-02 cs.CL

Zero-Shot Open-Schema Entity Structure Discovery

零样本开放模式实体结构发现

Xueqiang Xu, Jinfeng Xiao, James Barry, Mohab Elkaref, Jiaru Zou, Pengcheng Jiang, Yunyi Zhang, Max Giammona, Geeth de Mel, Jiawei Han

机构 * University of Illinois at Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) Amazon(亚马逊) IBM Research(IBM研究院) IBM Research Europe(IBM欧洲研究院)

AI总结 本文提出零样本开放模式实体结构发现方法,通过充实、细化和统一机制提升大语言模型提取完整实体结构的能力。

Comments EACL 2026 camera-ready

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2510.23596 2026-01-30 cs.CL

Think Twice: Branch-and-Rethink Reasoning Reward Model

再思两次:分支与再思考推理奖励模型

Yizhu Jiao, Jiaqi Zeng, Julien Veron Vialard, Oleksii Kuchaiev, Jiawei Han, Olivier Delalleau

机构 * NVIDIA(NVIDIA公司) University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校)

AI总结 BR-RM通过两轮次的分支与再思考机制,改进奖励模型的判断准确性与敏感性,实现更精确的推理能力。

Comments Source Code: https://github.com/yzjiao/BR-RM. Model Checkpoints: https://huggingface.co/nvidia/Qwen3-Nemotron-14B-BRRM and https://huggingface.co/nvidia/Qwen3-Nemotron-8B-BRRM

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2502.10996 2026-01-30 cs.CL

RAS: Retrieval-And-Structuring for Knowledge-Intensive LLM Generation

RAS:基于检索与构建的知识密集型大语言模型生成

Pengcheng Jiang, Lang Cao, Ruike Zhu, Minhao Jiang, Yunyi Zhang, Jiaming Shen, Jimeng Sun, Jiawei Han

机构 * Department of Computer Science, University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校计算机科学系)

AI总结 RAS通过动态构建问题特定知识图谱,提升大语言模型在知识密集型任务中的推理准确性和鲁棒性。

Comments ICLR 2026

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2510.09897 2026-01-27 cs.IR

PairSem: LLM-Guided Pairwise Semantic Matching for Scientific Document Retrieval

PairSem: 基于大语言模型的成对语义匹配用于科学文档检索

Wonbin Kweon, Runchu Tian, SeongKu Kang, Pengcheng Jiang, Zhiyong Lu, Jiawei Han, Hwanjo Yu

AI总结 PairSem通过实体-属性对捕捉科学概念的多面性,提升科学文档检索的精度和上下文感知能力。

Comments WWW 2026

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2511.17208 2025-12-12 cs.CL

A Simple Yet Strong Baseline for Long-Term Conversational Memory of LLM Agents

为LLM代理构建一个简单却强大的长期对话记忆基线

Sizhe Zhou, Jiawei Han

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校)

AI总结 本文提出基于事件的对话记忆方法,通过异构图结构实现高效检索,提升LLM代理的长期对话能力。

Comments Work in progress

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2507.22052 2025-12-03 cs.CV

Ov3R: Open-Vocabulary Semantic 3D Reconstruction from RGB Videos

Ov3R:从RGB视频流中进行开放词汇语义3D重建

Ziren Gong, Xiaohan Li, Fabio Tosi, Jiawei Han, Stefano Mattoccia, Jianfei Cai, Matteo Poggi

机构 * University of Bologna(博洛尼亚大学) USTC(中科大) BIT(北京理工) Monash University(墨尔本大学)

AI总结 Ov3R通过结合CLIP语义和融合描述符,实现从RGB视频流中进行开放词汇语义3D重建,提升空间人工智能的实时性和语义感知能力。

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2511.16660 2025-11-25 cs.AI

Cognitive Foundations for Reasoning and Their Manifestation in LLMs

认知基础与推理及其在大语言模型中的体现

Priyanka Kargupta, Shuyue Stella Li, Haocheng Wang, Jinu Lee, Shan Chen, Orevaoghene Ahia, Dean Light, Thomas L. Griffiths, Max Kleiman-Weiner, Jiawei Han, Asli Celikyilmaz, Yulia Tsvetkov

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) University of Washington(华盛顿大学) Princeton University(普林斯顿大学) Harvard University(哈佛大学)

AI总结 本文通过分析LLMs推理机制,揭示其在复杂问题上的表现优于简单变体,提出基于认知科学的28项元素分类,并开发测试时推理指导方法,提升复杂问题性能达66.7%。

Comments 40 pages, 4 tables, 6 figures

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2504.18070 2025-11-20 cs.CL cs.AI

PropRAG: Guiding Retrieval with Beam Search over Proposition Paths

Jingjin Wang, Jiawei Han

机构 * Siebel School of Computing and Data Science, University of Illinois Urbana-Champaign(塞比尔计算与数据科学学院,伊利诺伊大学厄巴纳-香槟分校)

Comments Accepted to EMNLP 2025 (Main Conference). Camera-ready version. Code and data: https://github.com/ReLink-Inc/PropRAG

Journal ref Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing, pages 6224-6239 November 4-9, 2025

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2505.14146 2025-11-06 cs.AI cs.CL

s3: You Don't Need That Much Data to Train a Search Agent via RL

Pengcheng Jiang, Xueqiang Xu, Jiacheng Lin, Jinfeng Xiao, Zifeng Wang, Jimeng Sun, Jiawei Han

机构 * University of Illinois Urbana Champaign(伊利诺伊大学厄巴纳-香槟分校) Amazon(亚马逊公司)

Comments EMNLP 2025 camera-ready

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2511.02755 2025-11-05 cs.CL

Controlling Performance and Budget of a Centralized Multi-agent LLM System with Reinforcement Learning

Bowen Jin, TJ Collins, Donghan Yu, Mert Cemri, Shenao Zhang, Mengyu Li, Jay Tang, Tian Qin, Zhiyang Xu, Jiarui Lu, Guoli Yin, Jiawei Han, Zirui Wang

机构 * University of Illinois at Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) Apple(苹果公司) University of California, Berkeley(加州大学伯克利分校) Northwestern University(西北大学) Harvard University(哈佛大学) Virginia Tech(弗吉尼亚理工大学)

Comments 14 pages

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2510.24014 2025-10-31 cs.CL

TEXT2DB: Integration-Aware Information Extraction with Large Language Model Agents

Yizhu Jiao, Sha Li, Sizhe Zhou, Heng Ji, Jiawei Han

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校)

Comments Source code: https://github.com/yzjiao/Text2DB

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2505.18454 2025-10-24 cs.CL

Hybrid Latent Reasoning via Reinforcement Learning

Zhenrui Yue, Bowen Jin, Huimin Zeng, Honglei Zhuang, Zhen Qin, Jinsung Yoon, Lanyu Shang, Jiawei Han, Dong Wang

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) Google(谷歌) LMU(莱比锡马克斯·普朗克研究所)

Comments NeurIPS 2025

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2510.15191 2025-10-20 cs.CL cs.AI cs.IR

Structure-R1: Dynamically Leveraging Structural Knowledge in LLM Reasoning through Reinforcement Learning

Junlin Wu, Xianrui Zhong, Jiashuo Sun, Bolian Li, Bowen Jin, Jiawei Han, Qingkai Zeng

机构 * Washington University in St. Louis(华盛顿大学圣路易斯分校) University of Illinois at Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) Purdue University(普渡大学) University of Notre Dame(诺特丹大学)

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2510.05764 2025-10-17 cs.AI cs.MA

RareAgent: Self-Evolving Reasoning for Drug Repurposing in Rare Diseases

Lang Qin, Zijian Gan, Xu Cao, Pengcheng Jiang, Yankai Jiang, Jiawei Han, Kaishun Wu, Jintai Chen

机构 * Information Hub, The Hong Kong University of Science and Technology (Guangzhou)(香港科技大学(广州)信息中心) College of Computer Science, Nankai University(南开大学计算机学院) Department of Computer Science, University of Illinois at Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校计算机科学系) Shanghai Artificial Intelligence Laboratory(上海人工智能实验室)

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2510.04506 2025-10-07 cs.CL cs.AI cs.IR

GRACE: Generative Representation Learning via Contrastive Policy Optimization

Jiashuo Sun, Shixuan Liu, Zhaochen Su, Xianrui Zhong, Pengcheng Jiang, Bowen Jin, Peiran Li, Weijia Shi, Jiawei Han

机构 * University of Illinois Urbana–Champaign(伊利诺伊大学厄巴纳-香槟分校) Australian National University(澳大利亚国立大学) Hong Kong University of Science and Technology(香港科学与技术大学) University of Wisconsin–Madison(威斯康星大学麦迪逊分校) University of Washington(华盛顿大学)

Comments 23 pages, 7 figures, 7 tables

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2505.21815 2025-10-07 cs.IR cs.AI cs.CL

Scientific Paper Retrieval with LLM-Guided Semantic-Based Ranking

Yunyi Zhang, Ruozhen Yang, Siqi Jiao, SeongKu Kang, Jiawei Han

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) Korea University(韩国大学)

Comments Accepted to EMNLP 2025 Findings

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2504.01346 2025-10-07 cs.CL cs.IR cs.LG

RAG over Tables: Hierarchical Memory Index, Multi-Stage Retrieval, and Benchmarking

Jiaru Zou, Dongqi Fu, Sirui Chen, Xinrui He, Zihao Li, Yada Zhu, Jiawei Han, Jingrui He

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) Meta AI IBM Research(IBM研究院)

Comments Project Link: https://github.com/jiaruzouu/T-RAG

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2509.12451 2025-09-17 cs.CL

Topic Coverage-based Demonstration Retrieval for In-Context Learning

Wonbin Kweon, SeongKu Kang, Runchu Tian, Pengcheng Jiang, Jiawei Han, Hwanjo Yu

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校) Korea University(韩国大学) Pohang University of Science and Technology(浦项科学技术大学)

Comments EMNLP 2025 Main

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2509.10697 2025-09-16 cs.CL

A Survey on Retrieval And Structuring Augmented Generation with Large Language Models

Pengcheng Jiang, Siru Ouyang, Yizhu Jiao, Ming Zhong, Runchu Tian, Jiawei Han

机构 * University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校)

Comments KDD'25 survey track

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2505.13757 2025-08-19 cs.IR cs.CL

CoRank: LLM-Based Compact Reranking with Document Features for Scientific Retrieval

Runchu Tian, Xueqiang Xu, Bowen Jin, SeongKu Kang, Jiawei Han

机构 * University of Illinois \ -Champaign Urbana United States Korea University Seoul South Korea University of Illinois \ -Champaign Korea University

Comments 12 pages, 5 figures

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2508.03728 2025-08-07 cs.CL

WINELL: Wikipedia Never-Ending Updating with LLM Agents

Revanth Gangi Reddy, Tanay Dixit, Jiaxin Qin, Cheng Qian, Daniel Lee, Jiawei Han, Kevin Small, Xing Fan, Ruhi Sarikaya, Heng Ji

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2503.09516 2025-08-07 cs.CL cs.AI cs.IR

Search-R1: Training LLMs to Reason and Leverage Search Engines with Reinforcement Learning

Bowen Jin, Hansi Zeng, Zhenrui Yue, Jinsung Yoon, Sercan Arik, Dong Wang, Hamed Zamani, Jiawei Han

机构 * Department of Computer Science, University of Illinois at Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校计算机科学系) Center for Intelligent Information Retrieval, University of Massachusetts Amherst(马萨诸塞大学阿姆赫斯特分校智能信息检索中心) Google Cloud AI Research(谷歌云人工智能研究)

Comments 31 pages

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2505.19288 2025-08-05 cs.LG

Hypercube-Based Retrieval-Augmented Generation for Scientific Question-Answering

Jimeng Shi, Sizhe Zhou, Bowen Jin, Wei Hu, Runchu Tian, Shaowen Wang, Giri Narasimhan, Jiawei Han

机构 * Florida International University(佛罗里达国际大学) University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校)

Comments 14 pages, 11 figures

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