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
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
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

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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
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

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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
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

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

2018

doi dblp
On Uncertain Graphs
Arijit Khan | Yuan Ye | Lei Chen
2018

2016

doi dblp
Tracking frequent items over distributed probabilistic data
Yongxin Tong | Xiaofei Zhang | Lei Chen
2016 Volume 19 Issue 4

doi dblp
Answering subgraph queries over massive disk resident graphs
Peng Peng | Lei Zou | Lei Chen | Xuemin Lin | Dongyan Zhao
2016 Volume 19 Issue 3

2015

doi dblp
Ranked content advertising in online social networks
Weixiong Rao | Lei Chen | Ilaria Bartolini
2015 Volume 18 Issue 3

doi dblp
Privacy preserving graph publication in a distributed environment
Mingxuan Yuan | Lei Chen | Philip S. Yu | Hong Mei
2015 Volume 18 Issue 5

2014

doi dblp
Evaluating continuous top-k queries over document streams
Weixiong Rao | Lei Chen | Shudong Chen | Sasu Tarkoma
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
2013 Volume 16 Issue 2

doi dblp
Probabilistic Web Data Management
Lei Chen | Ihab F. Ilyas | Christopher Ré | Xiaofang Zhou
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

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Query Processing over Uncertain Databases
Lei Chen | Xiang Lian
2012

doi dblp
Guest Editorial: Web-based services and information systems
Lei Chen | Zhiguo Gong | Qing Li
2012 Volume 15 Issue 5-6

2011

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Leadership discovery when data correlatively evolve
Di Wu | Yiping Ke | Jeffrey Xu Yu | Philip S. Yu | Lei Chen
2011 Volume 14 Issue 1

doi dblp
A distributed full-text top-k document dissemination system in distributed hash tables
Weixiong Rao | Lei Chen
2011 Volume 14 Issue 5-6

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
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
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

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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
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

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

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

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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

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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

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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

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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
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

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

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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