Qingsong Wen

2026

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AGP: Auto-Guided Prompt Refinement for Personalized Reranking in Recommender Systems.
Chen Wang|Mingdai Yang|Zhiwei Liu|Pan Li|Linsey Pang|Qingsong Wen|Philip S. Yu
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM Companion 2026, Boise Centre, Boise, ID, USA, February 22-26, 2026

2025

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The Workshop of Artificial Intelligence for Web-Centric Time Series Analysis (AI4TS): Theory, Algorithms, and Applications.
Ming Jin|Mahsa Salehi|Yuxuan Liang|Dongjin Song|Flora Salim|Min Wu|Shirui Pan|Qingsong Wen
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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The International Workshop on Spatio-Temporal Data Mining from the Web.
Yuxuan Liang|Hao Xue|Ming Jin|Flora Salim|Qingsong Wen|Yong Li|Roger Zimmermann|Yu Zheng
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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The 3rd Workshop on AI Agent for Information Retrieval: Generating and Ranking.
Qingsong Wen|Yongfeng Zhang|Zhiwei Liu|Julian J. McAuley|Hua Wei|Linsey Pang|Wei Liu|Philip S. Yu
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

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RCAgent: Cloud Root Cause Analysis by Autonomous Agents with Tool-Augmented Large Language Models.
Zefan Wang|Zichuan Liu|Yingying Zhang|Aoxiao Zhong|Jihong Wang|Fengbin Yin|Lunting Fan|Lingfei Wu|Qingsong Wen
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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AI Agent for Information Retrieval: Generating and Ranking.
Yongfeng Zhang|Zhiwei Liu|Qingsong Wen|Linsey Pang|Wei Liu|Philip S. Yu
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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Advancing Multivariate Time Series Anomaly Detection: A Comprehensive Benchmark with Real-World Data from Alibaba Cloud.
Chaoli Zhang|Yingying Zhang|Zhana Bao|Yingying Zhang|Zhana Bao|Lanshu Peng|Qingsong Wen|Yiyuan Yang|Chong-Jiong Fan|Minqi Jiang|Lunting Fan|Liang Sun
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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HiMTM: Hierarchical Multi-Scale Masked Time Series Modeling with Self-Distillation for Long-Term Forecasting.
Shubao Zhao|Ming Jin|Zhaoxiang Hou|Chengyi Yang|Zengxiang Li|Qingsong Wen|Yi Wang
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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LARA: A Light and Anti-overfitting Retraining Approach for Unsupervised Time Series Anomaly Detection.
Feiyi Chen|Zhen Qin|Mengchu Zhou|Yingying Zhang|Shuiguang Deng|Lunting Fan|Guansong Pang|Qingsong Wen
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
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UrbanCLIP: Learning Text-enhanced Urban Region Profiling with Contrastive Language-Image Pretraining from the Web.
Yibo Yan|Haomin Wen|Siru Zhong|Wei Chen|Haodong Chen|Qingsong Wen|Roger Zimmermann|Yuxuan Liang
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2022

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Robust Time Series Dissimilarity Measure for Outlier Detection and Periodicity Detection.
Xiaomin Song|Qingsong Wen|Yan Li|Liang Sun
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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TFAD: A Decomposition Time Series Anomaly Detection Architecture with Time-Frequency Analysis.
Chaoli Zhang|Tian Zhou|Qingsong Wen|Liang Sun
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

2021

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CloudRCA: A Root Cause Analysis Framework for Cloud Computing Platforms.
Yingying Zhang|Zhengxiong Guan|Huajie Qian|Leili Xu|Hengbo Liu|Qingsong Wen|Liang Sun|Junwei Jiang|Lunting Fan|Min Ke
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021