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2510.21805 2026-08-14 cs.IR cs.AI cs.LG 版本更新

DiffGRM: Diffusion-based Generative Recommendation Model

DiffGRM:基于扩散的生成式推荐模型

Zhao Liu, Yichen Zhu, Yiqing Yang, Xiao Lv, Guoping Tang, Rui Huang, Qiang Luo, Ruiming Tang, Kun Gai, Guorui Zhou

机构 * Kuaishou Technology(快手科技)

AI总结 针对生成式推荐中SID的结构问题,提出DiffGRM模型,通过MDM、PSE、OCN、CPD等技术优化,在多数据集上使NDCG@10提升6.9%-15.5%。

Comments 12 pages, 6 figures. Accepted at The ACM Web Conference 2026. Camera-ready version; author list updated to match the published version; presentation revised, results unchanged

Journal ref Proceedings of the ACM Web Conference 2026 (WWW '26), pp. 5853-5864, ACM, 2026

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2510.10315 2026-08-13 cs.CY 版本更新

Is Misinformation More Open? A Study of robots.txt Gatekeeping on the Web

虚假信息是否更开放?一项关于robots.txt门禁的网络研究

Nicolas Steinacker-Olsztyn, Devashish Gosain, Ha Dao

AI总结 研究发现可信网站比虚假信息网站更频繁地禁止AI爬虫,且这种差异随时间扩大,可能影响LLM训练数据和网络透明度。

Comments 10 pages, 11 figures

Journal ref In Proceedings of the ACM Web Conference 2026 (WWW 26)

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2511.00847 2026-08-03 cs.GT cs.AI 版本更新

Pay for The Second-Best Service: A Game-Theoretic Approach Against Dishonest LLM Providers

为次优服务付费:一种对抗不诚实大语言模型提供者的博弈论方法

Yuhan Cao, Yu Wang, Sitong Liu, Miao Li, Yixin Tao, Tianxing He

机构 * Shanghai Qi Zhi Institute(上海启智研究院) ShanghaiTech University(上海科技大学) Institute of Information Engineering, Chinese Academy of Sciences(中国科学院信息工程研究所) Beijing Institute for General Artificial Intelligence(北京通用人工智能研究院) Shanghai University of Finance(上海财经大学) Tsinghua University(清华大学)

AI总结 本文提出了一种博弈论方法,通过设计近似激励相容机制,解决大语言模型服务提供者可能存在的不诚实行为问题,并保证用户效用的次优性。

Comments Published as a conference paper at WWW 2026; 12 pages, 4 figures

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2509.10397 2026-07-28 cs.IR 版本更新

RecoWorld: Building Simulated Environments for Agentic Recommender Systems

RecoWorld:为代理推荐系统构建模拟环境

Fei Liu, Xinyu Lin, Hanchao Yu, Mingyuan Wu, Jianyu Wang, Qiang Zhang, Zhuokai Zhao, Yinglong Xia, Yao Zhang, Weiwei Li, Mingze Gao, Qifan Wang, Lizhu Zhang, Benyu Zhang, Xiangjun Fan

AI总结 RecoWorld通过双视角架构和多轮强化学习,构建了代理推荐系统的模拟环境,旨在提升用户留存和参与度。

Comments HCRS @ WWW 2026, Best Paper Award

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2604.14598 2026-07-22 cs.IR 版本更新

Category-based and Popularity-guided Video Game Recommendation: A Balance-oriented Framework

基于类别的和流行度引导的视频游戏推荐:一种平衡导向的框架

Xiping Li, Jianghong Ma, Kangzhe Liu, Shanshan Feng, Haijun Zhang, Yutong Wang

AI总结 本文提出CPGRec框架,通过准确性驱动、多样性驱动和综合模块平衡视频游戏推荐的准确性和多样性,实验表明在Steam数据集上提升了推荐效果。

Comments Published in The Web Conference (WWW) 2024. 11 pages, 8 figures

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2604.15699 2026-07-21 cs.LG cs.SI 版本更新

Frequency-Corrupt Based Graph Self-Supervised Learning

基于频率篡改的图自监督学习

Haojie Li, Mengjiao Zhang, Guanfeng Liu, Qiang Hu, Yan Wang, Junwei Du

机构 * School of Data Science, Qingdao University of Science and Technology(青岛科技大学数据科学学院) School of Information Science and Technology, Qingdao University of Science and Technology(青岛科技大学信息科学与技术学院) School of Computing, Macquarie University(麦考瑞大学计算机学院)

AI总结 本文提出FC-GSSL方法,通过篡改节点和边以偏向高频信息,构建 corrupted 图作为自编码器输入,重建低频和通用特征以监督模型融合多频带信息,提升鲁棒性和泛化能力。

Comments 11 pages, 4 tables, 3 figures. Accepted at The ACM Web Conference 2026 (WWW 2026)

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2603.25126 2026-07-07 cs.IR cs.AI 版本更新

MCLMR: A Model-Agnostic Causal Learning Framework for Multi-Behavior Recommendation

MCLMR:一种多行为推荐的模型无关因果学习框架

Ranxu Zhang, Junjie Meng, Ying Sun, Ziqi Xu, Bing Yin, Hao Li, Yanyong Zhang, Chao Wang

机构 * School of Artificial Intelligence and Data Science, University of Science and Technology of China(中国科学技术大学人工智能与数据科学学院) Artificial Intelligence Thrust, The Hong Kong University of Science and Technology (Guangzhou)(香港科技大学(广州)人工智能学域) RMIT University(皇家墨尔本理工大学) State Key Laboratory of Cognitive Intelligence(认知智能国家重点实验室) iFLYTEK Research, iFLYTEK(科大讯飞研究院)

AI总结 MCLMR提出一种模型无关的因果学习框架,解决多行为推荐中因果效应建模、辅助行为聚合和语义对齐的问题,通过因果图和混合专家模块提升推荐性能。

Comments Accepted by WWW 2026(oral)

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2510.08048 2026-07-07 cs.IR cs.AI cs.CL 版本更新

TaoSR-AGRL: Adaptive Guided Reinforcement Learning Framework for E-commerce Search Relevance

TaoSR-AGRL:用于电子商务搜索相关性的自适应引导强化学习框架

Jianhui Yang, Yiming Jin, Pengkun Jiao, Chenhe Dong, Zerui Huang, Shaowei Yao, Xiaojiang Zhou, Dan Ou, Haihong Tang

机构 * Tsinghua University(清华大学) Taobao & Tmall Group of Alibaba(阿里巴巴淘宝与天猫集团) Fudan University(复旦大学)

AI总结 电商搜索中查询-产品相关性预测很关键,现有方法有局限。提出TaoSR-AGRL框架,通过规则感知奖励塑造和自适应引导重放两大创新,提升模型推理能力,在实验中表现优于基线,已成功部署。

Comments Accepted to The Web Conference (WWW) 2026, Industry Track, Oral

Journal ref Proceedings of the ACM Web Conference 2026 (WWW '26), 2026, pp. 7955-7966

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2602.16220 2026-06-26 cs.LG 版本更新

SEMixer: Semantics Enhanced MLP-Mixer for Multiscale Mixing and Long-term Time Series Forecasting

SEMixer: 语义增强的MLP-Mixer用于多尺度混合和长期时间序列预测

Xu Zhang, Qitong Wang, Peng Wang, Wei Wang

机构 * Shanghai Key Laboratory of Data Science, College of Computer Science and Artificial Intelligence Fudan University(上海数据科学 key 实验室,复旦大学计算机科学与人工智能学院) Harvard University(哈佛大学)

AI总结 提出SEMixer模型,通过随机注意力机制和多尺度渐进混合链,有效建模多尺度时间依赖并解决语义鸿沟问题,在10个公开数据集和真实无线网络数据上取得优异性能。

Comments This work is accepted by the proceedings of the ACM Web Conference 2026 (WWW 2026). The code is available at the link https://github.com/Meteor-Stars/SEMixer

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2602.16224 2026-06-09 cs.LG 版本更新

Amortized Predictability-aware Training Framework for Time Series Forecasting and Classification

面向时间序列预测与分类的摊销可预测性感知训练框架

Xu Zhang, Peng Wang, Yichen Li, Wei Wang

机构 * Shanghai Key Laboratory of Data Science, College of Computer Science and Artificial Intelligence Fudan University(复旦大学计算机科学与人工智能学院上海数据科学关键实验室) Department of Electrical and Computer Engineering University of British Columbia (UBC)(英属哥伦比亚大学电气与计算机工程系)

AI总结 提出APTF框架,通过分层可预测性感知损失和摊销模型识别并惩罚低可预测性样本,提升时间序列预测与分类性能。

Comments This work is accepted by the proceedings of the ACM Web Conference 2026 (WWW 2026). The code is available at the link https://github.com/Meteor-Stars/APTF

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