2018

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GeoBurst+: Effective and Real-Time Local Event Detection in Geo-Tagged Tweet Streams
Chao Zhang | Dongming Lei | Quan Yuan | Honglei Zhuang | Lance M. Kaplan | Shaowen Wang | Jiawei Han
2018 Volume 9 Issue 3

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Open-Schema Event Profiling for Massive News Corpora
Quan Yuan | Xiang Ren | Wenqi He | Chao Zhang | Xinhe Geng | Lifu Huang | Heng Ji | Chin-Yew Lin | Jiawei Han
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

2017

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PRED: Periodic Region Detection for Mobility Modeling of Social Media Users
Quan Yuan | Wei Zhang | Chao Zhang | Xinhe Geng | Gao Cong | Jiawei Han
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

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ReAct: Online Multimodal Embedding for Recency-Aware Spatiotemporal Activity Modeling
Chao Zhang | Keyang Zhang | Quan Yuan | Fangbo Tao | Luming Zhang | Tim Hanratty | Jiawei Han
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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Urbanity: A System for Interactive Exploration of Urban Dynamics from Streaming Human Sensing Data
Mengxiong Liu | Zhengchao Liu | Chao Zhang | Keyang Zhang | Quan Yuan | Tim Hanratty | Jiawei Han
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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Detecting Multiple Periods and Periodic Patterns in Event Time Sequences
Quan Yuan | Jingbo Shang | Xin Cao | Chao Zhang | Xinhe Geng | Jiawei Han
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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Regions, Periods, Activities: Uncovering Urban Dynamics via Cross-Modal Representation Learning
Chao Zhang | Keyang Zhang | Quan Yuan | Haoruo Peng | Yu Zheng | Tim Hanratty | Shaowen Wang | Jiawei Han
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017

2016

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GeoBurst: Real-Time Local Event Detection in Geo-Tagged Tweet Streams
Chao Zhang | Guangyu Zhou | Quan Yuan | Honglei Zhuang | Yu Zheng | Lance M. Kaplan | Shaowen Wang | Jiawei Han
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

2015

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Who, Where, When, and What: A Nonparametric Bayesian Approach to Context-aware Recommendation and Search for Twitter Users
Quan Yuan | Gao Cong | Kaiqi Zhao | Zongyang Ma | Aixin Sun
2015 Volume 33 Issue 1

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Where you Instagram?: Associating Your Instagram Photos with Points of Interest
Xutao Li | Tuan-Anh Nguyen Pham | Gao Cong | Quan Yuan | Xiaoli Li | Shonali Krishnaswamy
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

2014

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Where your photo is taken: Geolocation prediction for social images
Bo Liu | Quan Yuan | Gao Cong | Dong Xu
2014 Volume 65 Issue 6

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Tagging Your Tweets: A Probabilistic Modeling of Hashtag Annotation in Twitter
Zongyang Ma | Aixin Sun | Quan Yuan | Gao Cong
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

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Graph-based Point-of-interest Recommendation with Geographical and Temporal Influences
Quan Yuan | Gao Cong | Aixin Sun
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

2013

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Time-aware point-of-interest recommendation
Quan Yuan | Gao Cong | Zongyang Ma | Aixin Sun | Nadia Magnenat-Thalmann
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

2012

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Approaches to Exploring Category Information for Question Retrieval in Community Question-Answer Archives
Xin Cao | Gao Cong | Bin Cui | Christian S. Jensen | Quan Yuan
2012 Volume 30 Issue 2

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Category hierarchy maintenance: a data-driven approach
Quan Yuan | Gao Cong | Aixin Sun | Chin-Yew Lin | Nadia Magnenat-Thalmann
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Topic-driven reader comments summarization
Zongyang Ma | Aixin Sun | Quan Yuan | Gao Cong
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Enhancing naive bayes with various smoothing methods for short text classification
Quan Yuan | Gao Cong | Nadia Magnenat-Thalmann
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)