Lei Chen

2026

doi dblp

Proficient Graph Neural Network Design by Accumulating Knowledge on Large Language Models.

Jialiang Wang|Hanmo Liu|Shimin Di|Zhili Wang|Jiachuan Wang|Lei Chen|Xiaofang Zhou

Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

doi dblp

CytoCrowd: A Multi-Annotator Benchmark Dataset for Cytology Image Analysis.

Yonghao Si|Xingyuan Zeng|Zhao Chen|Libin Zheng|Caleb Chen Cao|Lei Chen|Jian Yin

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

doi dblp

GORAG: Graph-based Online Retrieval Augmented Generation for Dynamic Few-shot Social Media Text Classification.

Yubo Wang|Haoyang Li|Fei Teng|Lei Chen

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

doi dblp

Exploring Sequential Dynamics on Temporal Graphs via Composite Filtering.

Yuanyuan Xu|Danni Wu|Xuemin Lin|Dong Wen|Wenjie Zhang|Lei Chen|Ying Zhang

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

doi dblp

SJBP: A Platform to Launch a Novel Jailbreak Attack on Large Language Models Based on Content's Spatial Distribution.

Zhiyi Mou|Zeheng Qian|Tianfang Xiao|Wangze Ni|Weijie Sun|Lei Chen|Zhan Qin|Peng Cheng|Kui Ren

Companion Proceedings of the ACM Web Conference 2026, WWW Companion 2026, Dubai, United Arab Emirates, 29 June 2026 - 3 July 2026

doi dblp

RobustReviewAI: A Robustness Evaluation System for AI-Powered Peer Review.

Siming Yuan|Yuchen Liu|Qinan Zheng|Wangze Ni|Shimin Di|Lei Chen|Kui Ren

Companion Proceedings of the ACM Web Conference 2026, WWW Companion 2026, Dubai, United Arab Emirates, 29 June 2026 - 3 July 2026

2025

doi dblp

CPWS: Confident Programmatic Weak Supervision for High-Quality Data Labeling.

Shulan Ruan|Huijie Liu|Zhao Chen|Bin Feng|Kun Zhang|Caleb Chen Cao|Enhong Chen|Lei Chen

ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 4

doi dblp

Understanding the Embedding Models on Hyper-relational Knowledge Graph.

Yubo Wang|Shimin Di|Zhili Wang|Haoyang Li|Fei Teng|Hao Xin|Lei Chen

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

doi dblp

A Knowledge Extraction Framework on Cyber Threat Reports with Enhanced Security Profiles.

Yongxin Cai|Jing Qiu|Fan Zhang|Qiang Li|Lei Chen

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

doi dblp

FQora: Towards Fair and Quality-based Online Data Marketplace.

Songyue Guo|Maocheng Li|Zhao Chen|Caleb Chen Cao|Lei Chen

Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

doi dblp

A Responsible and Extendable Context-Aware Recommender System.

Xiangmin Zhou|Lei Chen|Chengkun He|Junfeng Wu|Weiyi Zhou|Jie Shao|Yanchun Zhang

Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

doi dblp

A Universal and Interpretable Method for Enhancing Stock Price Prediction.

Yuchen Liu|Shimin Di|Lei Chen|Xiaofang Zhou|Fei Lin

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

doi dblp

BoostER: Leveraging Large Language Models for Enhancing Entity Resolution.

Huahang Li|Shuangyin Li|Fei Hao|Chen Jason Zhang|Yuanfeng Song|Lei Chen

Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

doi dblp

An Adaptive Graph Pre-training Framework for Localized Collaborative Filtering.

Yiqi Wang|Chaozhuo Li|Zheng Liu|Mingzheng Li|Jiliang Tang|Xing Xie|Lei Chen|Philip S. Yu

ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 2

doi dblp

Controllable Universal Fair Representation Learning.

Yue Cui|Chen Ma|Kai Zheng|Lei Chen|Xiaofang Zhou

Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

doi dblp

Message Function Search for Knowledge Graph Embedding.

Shimin Di|Lei Chen

Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

doi dblp

Leveraging Multi-view Inter-passage Interactions for Neural Document Ranking.

Chengzhen Fu|Enrui Hu|Letian Feng|Zhicheng Dou|Yantao Jia|Lei Chen|Fan Yu|Zhao Cao

WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

doi dblp

A New Class of Polynomial Activation Functions of Deep Learning for Precipitation Forecasting.

Jiachuan Wang|Lei Chen|Charles Wang Wai Ng

WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

doi dblp

Generating Perturbation-based Explanations with Robustness to Out-of-Distribution Data.

Luyu Qiu|Yi Yang|Caleb Chen Cao|Yueyuan Zheng|Hilary Hei Ting Ngai|Janet Hui-wen Hsiao|Lei Chen

WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp

Cache-based GNN System for Dynamic Graphs.

Haoyang Li|Lei Chen

CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

doi dblp

Privacy-Preserving Batch-based Task Assignment in Spatial Crowdsourcing with Untrusted Server.

Maocheng Li|Jiachuan Wang|Libin Zheng|Han Wu|Peng Cheng|Lei Chen|Xuemin Lin

CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

doi dblp

Answer Complex Questions: Path Ranker Is All You Need.

Xinyu Zhang|Ke Zhan|Enrui Hu|Chengzhen Fu|Lan Luo|Hao Jiang|Yantao Jia|Fan Yu|Zhicheng Dou|Zhao Cao|Lei Chen

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

FluxEV: A Fast and Effective Unsupervised Framework for Time-Series Anomaly Detection.

Jia Li|Shimin Di|Yanyan Shen|Lei Chen

WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021

doi dblp

Searching to Sparsify Tensor Decomposition for N-ary Relational Data.

Shimin Di|Quanming Yao|Lei Chen

WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

doi dblp

Efficient Graph Query Processing over Geo-Distributed Datacenters.

Ye Yuan|Delong Ma|Zhenyu Wen|Yuliang Ma|Guoren Wang|Lei Chen

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2016

doi dblp

Answering subgraph queries over massive disk resident graphs.

Peng Peng|Lei Zou|Lei Chen|Xuemin Lin|Dongyan Zhao

World Wide Web (WWW) 2016 Volume 19 Issue 3

doi dblp

Tracking frequent items over distributed probabilistic data.

Yongxin Tong|Xiaofei Zhang|Lei Chen

World Wide Web (WWW) 2016 Volume 19 Issue 4

2015

doi dblp

Ranked content advertising in online social networks.

Weixiong Rao|Lei Chen|Ilaria Bartolini

World Wide Web (WWW) 2015 Volume 18 Issue 3

doi dblp

Privacy preserving graph publication in a distributed environment.

Mingxuan Yuan|Lei Chen|Philip S. Yu|Hong Mei

World Wide Web (WWW) 2015 Volume 18 Issue 5

2014

doi dblp

Evaluating continuous top-k queries over document streams.

Weixiong Rao|Lei Chen|Shudong Chen|Sasu Tarkoma

World Wide Web (WWW) 2014 Volume 17 Issue 1

doi dblp

Efficient Probabilistic Supergraph Search Over Large Uncertain Graphs.

Yongxin Tong|Xiaofei Zhang|Caleb Chen Cao|Lei Chen

Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

doi dblp

Pattern Match Query in a Large Uncertain Graph.

Ye Yuan|Guoren Wang|Lei Chen

Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

doi dblp

MaC: A Probabilistic Framework for Query Answering with Machine-Crowd Collaboration.

Chen Jason Zhang|Lei Chen|Yongxin Tong

Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

doi dblp

TOMOHA: TOpic model-based HAshtag recommendation on twitter.

Jieying She|Lei Chen

23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume

2013

doi dblp

Indexing dataspaces with partitions.

Shaoxu Song|Lei Chen

World Wide Web (WWW) 2013 Volume 16 Issue 2

doi dblp

Probabilistic Web Data Management.

Lei Chen|Ihab F. Ilyas|Christopher Ré|Xiaofang Zhou

World Wide Web (WWW) 2013 Volume 16 Issue 3

doi dblp

Causality and responsibility: probabilistic queries revisited in uncertain databases.

Xiang Lian|Lei Chen

22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

2012

doi dblp

Guest Editorial: Web-based services and information systems.

Lei Chen|Zhiguo Gong|Qing Li

World Wide Web (WWW) 2012 Volume 15 Issue 5-6

2011

doi dblp

Leadership discovery when data correlatively evolve.

Di Wu|Yiping Ke|Jeffrey Xu Yu|Philip S. Yu|Lei Chen

World Wide Web (WWW) 2011 Volume 14 Issue 1

doi dblp

A distributed full-text top-k document dissemination system in distributed hash tables.

Weixiong Rao|Lei Chen

World Wide Web (WWW) 2011 Volume 14 Issue 5-6

doi dblp

Cost-efficient repair in inconsistent probabilistic databases.

Xiang Lian|Yincheng Lin|Lei Chen

Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

doi dblp

KLEAP: an efficient cleaning method to remove cross-reads in RFID streams.

Guoqiong Liao|Jing Li|Lei Chen|Changxuan Wan

Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

doi dblp

Answering label-constraint reachability in large graphs.

Kun Xu|Lei Zou|Jeffrey Xu Yu|Lei Chen|Yanghua Xiao|Dongyan Zhao

Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

2010

doi dblp

Automatically weighting tags in XML collection.

Dexi Liu|Changxuan Wan|Lei Chen|Xiping Liu

Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

doi dblp

Efficient set-correlation operator inside databases.

Shaoxu Song|Lei Chen

Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

2009

doi dblp

Efficient join processing on uncertain data streams.

Xiang Lian|Lei Chen

Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

doi dblp

Effective XML content and structure retrieval with relevance ranking.

Xiping Liu|Changxuan Wan|Lei Chen

Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

doi dblp

Discovering matching dependencies.

Shaoxu Song|Lei Chen

Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

2008

doi dblp

Speed up semantic search in p2p networks.

Qiang Wang|Rui Li|Lei Chen|Jie Lian|M. Tamer Özsu

Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

doi dblp

Searching musical audio datasets by a batch of multi-variant tracks.

Yi Yu|J. Stephen Downie|Lei Chen|Vincent Oria|Kazuki Joe

Proceedings of the 1st ACM SIGMM International Conference on Multimedia Information Retrieval, MIR 2008, Vancouver, British Columbia, Canada, October 30-31, 2008

doi dblp

Efficient multi-keyword search over p2p web.

Hanhua Chen|Hai Jin|Jiliang Wang|Lei Chen|Yunhao Liu|Lionel M. Ni

Proceedings of the 17th International Conference on World Wide Web, WWW 2008, Beijing, China, April 21-25, 2008

2007

doi dblp

Optimal proactive caching in peer-to-peer network: analysis and application.

Weixiong Rao|Lei Chen|Ada Wai-Chee Fu|Yingyi Bu

Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007

doi dblp

Probabilistic correlation-based similarity measure of unstructured records.

Shaoxu Song|Lei Chen

Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007

doi dblp

Top-k subgraph matching query in a large graph.

Lei Zou|Lei Chen|Yansheng Lu

Proceedings of the First Ph.D. Workshop in CIKM, PIKM 2007, Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 9, 2007

2006

doi dblp

Towards interactive indexing for large Chinese calligraphic character databases.

Yi Zhuang|Yueting Zhuang|Qing Li|Lei Chen

Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, Arlington, Virginia, USA, November 6-11, 2006

2005

doi dblp

Localized routing trees for query processing in sensor networks.

Jie Lian|Lei Chen|Kshirasagar Naik|M. Tamer Özsu|Gordon B. Agnew

Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005

2004

doi dblp

Symbolic representation and retrieval of moving object trajectories.

Lei Chen|M. Tamer Özsu|Vincent Oria

Proceedings of the 6th ACM SIGMM International Workshop on Multimedia Information Retrieval, MIR 2004, October 15-16, 2004, New York, NY, USA