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Lei Han Birth: Mar. 1988, China Address: 486 Hill Center, Piscataway, NJ, 08854 E-mail: [email protected] Homepage: http://www.stat.rutgers.edu/home/lhan/ Phone: +1 (848) 404 4412 BRIEF BIOGRAPHY I am currently working as a Post-Doctoral Associate in the Department of Statistics, Rutgers University, and also as a Research Assistant Professor in the College of Veterinary Medicine, Mississippi State University. I am supervised by Prof. Tong Zhang. I also work closely with Dr. Yu Zhang and Prof. Xiu-Feng Wan. I was a Post-Doctoral Associate with Dr. Yu Zhang in Hong Kong Baptist University for one year. I received my Ph.D. degree from Peking University in 2014 and my Ph.D. supervisor was Prof. Kunqing Xie; I received my B.S. degree from Dalian University of Technology in 2009. My research interests mainly focus on large-scale machine learning and data mining. My Ph.D. thesis won the Best Doctoral Thesis Award of Chinese Association for Artificial Intelligence (CAAI) in 2016. I published more than 15 papers in top venues like KDD, AAAI, IJCAI, TKDE, etc. I was invited as PC member or reviewer of top conferences and journals in machine learning and data mining, including NIPS, AAAI, TKDE, TITS, etc. RESEARCH INTEREST I am interested in developing novel methods for large-scale machine learning, data mining and AI problems. I am especially interested in sampling, multi-task learning, sparse learning, temporal causal modeling, dimensionality reduction, convex/non-convex optimization in large-scale problem and applications in bioinformatics and intelligent transportation system. EDUCATION Ph.D. of Computer Science, School of Electronics Engineering and Computer Science, Peking University, Beijing, China Doctoral Thesis: Traffic Network based Multi-Task Learning Method. (Win the Best Doctoral Thesis Award of Chinese Association for Artificial Intelligence in 2016) 2009-Jul. 2014 B.S. of Computer Science, Department of Computer Science and Technology, Dalian University of Technology, Dalian, China Overall Average Score: 93.3/100 Department Rank: 1/175 2005-2009 Research Assistant Professor, College of Veterinary Medicine, Department of Basic Science, Mississippi State University, supervised by Prof. Tong Zhang. Working on statistical machine learning methods in large-scale problems and the application in bioinformatics. Jul. 2016Present Post-doctoral Associate, Department of Statistics, Rutgers University, supervised by Prof. Tong Zhang. Working on statistical machine learning methods in large-scale problems, especially sampling methods and sparse learning models, and their application in bioinformatics. Oct. 2015Present RESEARCH AND WORKING EXPERIENCE Published 2 papers in KDD 2016, 2 papers in AAAI 2016 and 1 technical report on large-scale sampling method. Post-doctoral Associate, Department of Computer Science, Hong Kong Baptist University, supervised by Dr. Yu Zhang. Worked on multi-task learning methods, sparse learning methods, matrix methods, dimensionality reduction techniques and large-scale optimization. Published 1 paper in KDD 2015, 2 papers in AAAI 2016, 1 paper in TKDE and 1 paper in IJCAI. Jul. 2014Sep. 2015 Ph.D. candidate, Key Laboratory of Machine Perception, EECS, Peking University, supervised by Prof. Kunqing Xie. Worked on multi-task learning, sparse feature learning, causal modeling, non-parametric models and their application in intelligent transportation system (ITS). Published 1 KDD paper, 1 AAAI paper and some other papers in the area of machine learning, data mining and AI. Developed 3 ITS software for local departments of the government in Shanxi and Beijing, China. 2009-2014 Exchange Student, Department of Computer Science, Hong Kong Baptist University, supervised by Dr. Yu Zhang. Worked on developing novel multi-task learning and sparse feature learning models. Jul.-Oct. 2013 TEACHING EXPERIENCE Teaching Assistant, Fundamentals of Computers, Peking University Teaching Assistant, Fundamentals of Computers, Peking University Teaching Assistant, Data Structures and Algorithm Analysis, Peking University Spring 2011 Spring 2010 Fall 2009 OTHER EXPERIENCE Research & Engineering Intern, Department of Advertisement Search, Youdao, NETEASE. Aug.-Oct. 2011 ACTIVITIES Journal Reviewer: IEEE Transactions on Knowledge and Data Engineering (TKDE) IEEE Transactions on Intelligent Transportation Systems (TITS) PC Member / Reviewer: AAAI 2016, NIPS 2016 HONORS AND SCHOLARSHIPS The Best Doctoral Thesis Award of Chinese Association for Artificial Intelligence (CAAI) Outstanding Ph.D. Graduate Award in Beijing Outstanding Ph.D. Graduate Award in Peking University President Scholarship (the highest Scholarship in Peking University) Chinese National Scholarship (selected from top Ph.D. students in China) Merit Student Award (selected from top postgraduates in Peking University) Chinese National Scholarship (selected from top undergraduates in China) Hewlett-Packard Scholarship (selected from top undergraduates in China) 2016 2014 2014 2009-2014 2011-2012 2009-2011 2008-2009 2008-2009 2007-2008 RESEARCH PROJECTS PUBLICATIONS AND PREPRINTS First-Class (top 1%) Scholarship, Dalian University of Technology Champion of 2008 Northeast China ACM/ICPC Competition 2008 Team leader, “Toll Data Based Highway Decision Support System”, Major Issue in Shanxi province, China. Designed the adaptive dynamic traffic flow prediction system and anomaly detection system; led the team working on the project. 2009-2012 Team leader, “Railway Comfort Evaluation Modeling and Causality Analysis for Equipment Alarm System”, Major Issue of Beijing Municipal Science and Technology Commission, China. Proposed new learning methods for causality detection; led the team working on the project. 2009-2012 Core researcher, “Intelligent Highway Management and Decision Support System”, Major Issue in Anhui province, China. Proposed new covariates detection methods for origin-destination analysis in large-scale traffic network. 2009-2012 [19] Lei Han, Ting Yang and Tong Zhang. Local Uncertainty Sampling for Large-Scale Multi-Class Logistic Regression. arXiv:1604.08098 [stat.CO], 2016. [18] Lei Han, Yu Zhang, Xiu-Feng Wan and Tong Zhang. Generalized Hierarchical Sparse Model for Arbitrary-Order Interactive Antigenic Sites Identification in Flu Virus Data. Proceedings of the 22nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), San Francisco, USA, 2016. [17] Lei Han, Yu Zhang and Tong Zhang Fast Component Pursuit for Large-Scale Inverse Covariance Estimation. Proceedings of the 22nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), San Francisco, USA, 2016. [16] Lei Han and Yu Zhang. Reduction Techniques for Graph-based Convex Clustering. Proceedings of the Thirtieth AAAI Conference on Artificial Intelligence (AAAI), Phoenix, Arizona, USA, 2016. [15] Lei Han and Yu Zhang. Multi-Stage Multi-Task Learning with Reduced Rank. Proceedings of the Thirtieth AAAI Conference on Artificial Intelligence (AAAI), Phoenix, Arizona, USA, 2016. [14] Lei Han and Yu Zhang. Learning Tree Structure in Multi-Task Learning. Proceedings of the 21st ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), Sydney, 2015. [13] Ye Liu, Liqiang Nie, Lei Han, Luming Zhang, David Rosenblum. Action2Activity: Recognizing Complex Activities from Sensor Data. International Joint Conference on Artificial Intelligence (IJCAI), 2015. [12] Guojie Song, Lei Han* and Kunqing Xie. Overlapping Decomposition for Gaussian Graphical Modeling. IEEE Transactions on Knowledge and Data Engineering (TKDE), 2015. (*The corresponding author; the first two authors contributed equally) [11] Xiabing Zhou, Lei Han, Xingxing Xing, Haikun Hong, Wenhao Huang, Kaigui Bian and Kunqing Xie. Incorporating temporal smoothness and group structure in learning with incomplete data. Proceedings of 12th International Conference on Fuzzy Systems and Knowledge Discovery (FSKD), 2015. [10] Lei Han and Yu Zhang. Learning Multi-Level Task Groups in Multi-Task Learning. The Twenty-Ninth AAAI Conference on Artificial Intelligence (AAAI), Austin Texas, USA, 2015. [9] Lei Han and Yu Zhang. Discriminative Feature Grouping. The Twenty-Ninth AAAI Conference on Artificial Intelligence (AAAI), Austin Texas, USA, 2015. [8] Lei Han, Yu Zhang, Guojie Song, Kunqing Xie. Tree-Sparsity based Multi-Task Learning: A Probabilistic Framework. The Twenty -Eighth AAAI Conference on Artificial Intelligence (AAAI), 2014. [7] Lei Han, Guojie Song, Gao Cong, Kunqing Xie. Overlapping Decomposition for Causal Graphical Modeling. Proceedings of the 18th Conference on Knowledge Discovery and Data Mining (KDD), 2012. [6] Lei Han, Kunqing Xie, Guojie Song. Adaptive Fit Parameters Tuning with Data Density Changes in Locally Weighted Learning. Seventh International Symposium on Neural Networks (ISNN), 2010. [5] Lei Han, Jianying Wu, Ping Gu, Kunqing Xie, Guojie Song, Shiwei Tang, Dongqing Yang, Bingli Jiao, Feng Gao. Adaptive Knowledge Transfer Based on Locally Weighted Learning. The Conference on Technologies and Applications of Artificial Intelligence (TAAI), 2010. [4] Lei Han, Meng Shuai, Kunqing Xie, Guojie Song, Xiujun Ma. Locally Kernel Regression Adapting with Data Distribution in Prediction of Traffic Flow. The 18th International Conference on Geoinformatics (Geoinformatics), 2010. [3] Meng Shuai, Lei Han, Kunqing Xie, Guojie Song, Xiujun Ma, Guanhua Chen. An Adaptive Traffic Flow Prediction Mechanism Based on Locally Weighted Learning. Acta Scientiarum Naturalium Universitatis Pekinensis, 2010. [2] Lei Han, Xiaowen Pan, Lin Feng. High-dimensional Time Series Index Based on Symbol Graph. Computer Engineering, 2010, Vol.36, No.1. [1] Jun Meng, Haibo Mo, Qiushui Liu, Lei Han, LilinWeng. Dimension Reduction of Latent Semantic Indexing Extracting from Local Feature Space. Journal of Computational Information Systems, 2008, 4(3):915-921.