Dr. Qi Liu, Associate Professor

                           刘 淇, 副教授

   Lab of Semantic Computing and Data Mining,

   School of Computer Science and Technology,   NEL for Speech and Language Information Processing

   University of Science and Technology of China (USTC)

   Office: 210, West Lab Building of Science and Technology, West Campus of USTC, Hefei, Anhui, China,230027

   Tel: 0551-63603823(Office)

    Email: qiliuql@ustc.edu.cn liuqiah@gmail.com


What is New **

  • 2016.4, Welcome to 第四届CCF大数据学术会议(CCF BigData2016), and here is the CFP(征文通知).

  • 2015.6.29--2015.7.3, Dr. Jian Pei will teach a course of Big Data Analytics (大数据分析) in USTC, which is supported by the program of Dragon Star.(Register Now)

  • 2015.4, Welcome to 第三届CCF大数据学术会议(CCF BigData2015), and here is the CFP.

  • 2015.4, Welcome to MobileDM 2015: The First International Workshop on Mobile Data Mining of ICDM 2015.

  • 2015.4. My student Mr. Zheng Dong will join Dr. Laks V.S. Lakshmanan's research team at UBC, Canada, after his graduation from USTC. Congratulations!

  • Research Interests

  • Data Mining && Machine Learning

  • Recommender Systems && Social Network

  • Biography

  • Associate Researcher, School of Computer Science and Technology, University of Science and Technology of China, Jul. 2013~ Jan.2016.

  • Assistant Researcher, School of Computer Science and Technology, University of Science and Technology of China, Jul. 2012~ Jun.2013.

  • Ph.D. Student, Computer Science, University of Science and Technology of China, Sep. 2007~ Jun.2013.

  • Visiting Student, MSIS Rutgers Business School, Rutgers University. Nov. 2012~Jan. 2013.

  • Visiting Student, MSIS Rutgers Business School, Rutgers University. Sep. 2010~Dec. 2011.

  • B.S., Computer Science and Technology, Qufu Normal University, Sep. 2003~Jul. 2007.

  • Honors

  • Jun. 2015,     Best of SDM 2015 Award

  • Sep. 2014,    Distinguished Doctoral Dissertation Award of Chinese Academy of Sciences

  • May. 2014,     CCDM'14 Best Student Paper Award

  • Aug. 2013,     KSEM'13 Best Paper Award

  • Aug. 2013,     CCML'13 Outstanding Student Paper Award

  • Mar. 2013,     Outstanding Graduate of Anhui Province

  • Dec. 2012,     National scholarship for Graduate Students

  • Oct.2012,     Special Prize of President Scholarship for Postgraduate Students, CAS

  • Mar.2012,     Google Technology Student Expert Award

  • Nov.2011,     ICDM'11 Best Research Paper Award

  • Oct. 2011,     CASC prize in USTC     Grade 1

  • Nov.2011,     ICDM'11 AICML student travel award

  • May 2011,     First prize for "The First National Data Mining Invitation Tournament for College Students (Postgraduate), China"

  • Sep.2010-Sep.2011,     China Scholarship Council scholarship

  • Selected Publications

        Journal Papers:

  • Qi Liu, Biao Xiang, Nicholas Jing Yuan, Enhong Chen, Hui Xiong, Yi Zheng, Yu Yang, An Influence Propagation View of PageRank, ACM Trans. KDD.(Accepted)[PDF][Data & Code]

  • Le Wu, Yong Ge, Qi Liu, Enhong Chen, Richang Hong, Meng Wang, Junping Du. Modeling the Evolution of Users’ Preferences and Social Links in Social Networking Services. IEEE Trans. KDE.(Accepted)

  • Hongke Zhao, Qi Liu*, Hengshu Zhu, Yong Ge , Enhong Chen, Yan Zhu, Junping Du. A Sequential Approach to Market State Modeling and Analysis in Online P2P Lending. IEEE Trans. SMC-S.(Accepted)

  • Qi Liu, Enhong Chen, Hui Xiong, Yong Ge, Zhongmou Li, and Xiang Wu. A Cocktail Approach for Travel Package Recommendation. IEEE Trans. KDE.(Accepted) [PDF]

  • Le Wu, Qi Liu*, Enhong Chen, Nicholas Jing Yuan, Guangming Guo, Xing Xie, Relevance meets Coverage: A Unified Framework to Generate Diversified Recommendations, ACM Trans. IST. (Accepted)[PDF]

  • Yi Zheng, Qi Liu, Enhong Chen, Yong Ge, J. Leon Zhao. Exploiting Multi-Channels Deep Convolutional Neural Networks for Multivariate Time Series. Frontiers of Computer Science. (Accepted)[PDF]

  • Zongda Wu, Guiling Li, Qi Liu, Guandong Xu, Enhong Chen. Covering the Sensitive Subjects to Protect Personal Privacy in Personalized Recommendation. IEEE Trans. SC. (Accepted)

  • Guangming Guo, Feida Zhu, Enhong Chen, Qi Liu, Le Wu, Chu Guan. From Footprint to Evidence: An Exploratory Study of Mining Social Data for Credit Scoring, ACM Trans. WEB. (Accepted)

  • 朱天宇,黄振亚,陈恩红,刘 淇,吴润泽,吴乐,苏喻,陈志刚,胡国平,基于认知诊断的个性化试题推荐方法. 计算机学报,已接收.[PDF]

  • 曾宪宇,刘 淇*,赵洪科,徐 童,王怡君,陈恩红,用户在线购买预测:一种基于用户操作序列和选择模型的方法. 计算机研究与发展,已接收.[PDF]

  • Lei Zhang, Ping Luo, Linpeng Tang, Enhong Chen, Qi Liu, Min Wang, Hui Xiong, Occupancy-based Frequent Pattern Mining, ACM Trans. KDD. (Accepted)[PDF]

  • Baoxing Huai, Enhong Chen, Hengshu Zhu, Hui Xiong, Tengfei Bao, Qi Liu, Jilei Tian, Towards Personalized Context Recognition for Mobile Users: A Semi-Supervised Bayesian HMM Approach, ACM Trans. KDD. (Accepted)[PDF]

  • Chang Tan, Qi Liu*, Enhong Chen, Hui Xiong, and Xiang Wu. Object-oriented Travel Package Recommendation, ACM Trans. IST. (Accepted)[PDF]

  • Chen Zhu, Hengshu Zhu, Yong Ge, Enhong Chen, Qi Liu, Tong Xu, and Hui Xiong. A Topic Modeling Perspective for Tracking the Evolution of Social Emotions. KAIS. (Accepted) [PDF]

  • 怀宝兴,宝腾飞,祝恒书,刘 淇*,一种基于概率主题模型的命名实体链接方法,软件学报。(Accepted)(获CCDM2014最佳学生论文奖)[PDF]

  • Yong Ge, Hui Xiong, Alexander Tuzhilin and Qi Liu. Cost-aware Collaborative Filtering for Travel Tour Recommendations , ACM Trans. OIS. (Accepted)[PDF]

  • Qi Liu, Haiping Ma, Enhong Chen, and Hui Xiong. A survey of Context-aware Mobile Recommendations. IJITDM, Vol. 12(1), pages: 139-172, 2013.[PDF]

  • 孙光福,吴 乐,刘 淇,朱 琛,陈恩红,基于时序行为的协同过滤推荐算法,软件学报,2013年第11期。(统计学习研究与方法专刊,获CCML2013优秀学生论文奖)[PDF]

  • Qi Liu, Enhong Chen, Hui Xiong, Chris H.Q. Ding and Jian Chen. Enhancing Collaborative Filtering by User Interests Expansion via Personalized Ranking. IEEE Trans. SMC-B, Vol 42(1), pages:218 - 233, 2012.[PDF]

  •     Conference Papers:

  • Qi Liu, Guifeng Wang, Hongke Zhao, Chuanren Liu, Tong Xu, Enhong Chen*. Enhancing Campaign Design in Crowdfunding: A Product Supply Optimization Perspective. IJCAI 2017, accepted.

  • Zhenya Huang, Qi Liu*, Enhong Chen, Hongke Zhao, Mingyong Gao, Si Wei, Yu Su, Guoping Hu, Question Difficulty Prediction for READING Problems in Standard Tests, AAAI 2017, accepted.

  • Kun Zhang, Enhong Chen, Qi Liu, Chuanren Liu, Guangyi Lv, A Context-Enriched Neural Network method for Recognizing Lexical Entailment, AAAI 2017, accepted.

  • Runze Wu, Guandong Xu, Enhong Chen, Qi Liu, Wan Ng, Knowledge or Gaming? Cognitive Modelling Based on Multiple-Attempt Response, WWW 2017, accepted.

  • Hongke Zhao, Qi Liu*, Yong Ge, Ruoyan Kong, Enhong Chen. Group Preference Aggregation: A Nash Equilibrium Approach, ICDM 2016, accepted.

  • Hongke Zhao, Qi Liu*, Guifeng Wang, Yong Ge, Enhong Chen. Portfolio Selections in P2P Lending: A Multi-Objective Perspective, KDD 2016, accepted.

  • Tong Xu, Hengshu Zhu, Xiangyu Zhao, Qi Liu, Hao Zhong, Enhong Chen, Hui Xiong. Taxi Driving Behavior Analysis in Latent Vehicle-to-Vehicle Networks: A Social Influence Perspective, KDD 2016, accepted.

  • Hengshu Zhu, Hui Xiong, Fangshuang Tang, Qi Liu, Yong Ge, Enhong Chen, Yanjie Fu, Days on Market: Measuring Liquidity in Real Estate Markets, KDD 2016, accepted.

  • Yingzi Wang, Nicholas Jing Yuan, Yu Sun, Fuzheng Zhang, Xing Xie, Qi Liu, Enhong Chen. A Contextual Collaborative Approach for App Usage Forecasting, UbiComp 2016, accepted.

  • Zhen Pan, Enhong Chen, Qi Liu, Tong Xu, Haiping Ma, Hongjie Lin. Sparse Factorization Machines for Click-Through Rate Prediction, ICDM 2016, accepted.

  • Defu Lian, Yuyang Ye, Wenya Zhu, Qi Liu, Xing Xie, Hui Xiong. Mutual Reinforcement of Academic Performance Prediction and Library Book Recommendation, ICDM 2016, accepted.

  • Yuping Liu, Qi Liu, Runze Wu, Enhong Chen, Yu Su, Zhigang Chen, Guoping Hu. Collaborative Learning Team Formation: A Cognitive Modeling Perspective. DASFAA 2016, accepted.

  • Yan Zhu, Hengshu Zhu, Qi Liu, Enhong Chen, Hong Li, Hongke Zhao. Exploring the Procrastination of College Students: A Data-Driven Behavioral Perspective. DASFAA 2016, accepted.

  • Le Wu, Yong Ge, Qi Liu, Enhong Chen, Bai Long, Zhenya Huang. Modeling Users' Preferences and Social Links in Social Networking Services: a Joint-Evolving Perspective. AAAI 2016, accepted.

  • Guangyi Lv, Tong Xu, Enhong Chen, Qi Liu, Yi Zheng. Reading the Videos: Temporal Labeling for Crowdsourced Time-Sync Videos based on Semantic Embedding. AAAI 2016, accepted.

  • Qi Liu, Xianyu Zeng, Chuanren liu, Hengshu Zhu, Enhong Chen, Hui Xiong, and Xing Xie. Mining Indecisiveness in Customer Behaviors. IEEE ICDM 2015, accepted for regular paper (Rate 8.4%).[PDF]

  • Runze Wu, Qi Liu*, Yuping Liu, Enhong Chen, Yu Su, Zhigang Chen, Guoping Hu. Cognitive Modelling for Predicting Examinee Performance. IJCAI 2015, accepted.[PDF]

  • Guangxiang Zeng, Hengshu Zhu, Qi Liu*, Ping Luo, Enhong Chen, Tong Zhang. Matrix Factorization with Scale-Invariant Parameters. IJCAI 2015, accepted.[PDF]

  • Zhefeng Wang, Enhong Chen, Qi Liu, Yu Yang, Yong Ge and Biao Chang. Maximizing the Coverage of Information Propagation in Social Networks. IJCAI 2015, accepted.[PDF]

  • Le Wu, Qi Liu*, Enhong Chen, Xing Xie, Chang Tan. Product Adoption Rate Prediction: A Multi-factor View. SDM 2015, accepted.(Best of SDM 2015 Award)[PDF]

  • Li Zhang, Keli Xiao, Qi Liu, Yefan Tao, and Yuefan Deng. Modeling Social Attention for Stock Analysis: An Influence Propagation Perspective. IEEE ICDM 2015, accepted for regular paper (Rate 8.4%).[PDF]

  • Biao Chang, Feida Zhu, Enhong Chen, Qi Liu. Information Source Detection via Maximum A Posteriori Estimation. IEEE ICDM 2015, accepted for regular paper (Rate 8.4%).[PDF]

  • Chu Guan, Qi Liu, Jingsong Lv, Enhong Chen, Hengshu Zhu, Xin Li, Consolidation: Metric+Active Learning and Its Applications For Cross-domain Recommendation. IEEE/WIC WI 2015, accepted.

  • Guowei Ma, Qi Liu*, Le Wu, Enhong Chen. Identifying Hesitant and Interested Customers for Targeted Social Marketing. PAKDD 2015, accepted.[PDF]

  • Yi Zheng, Qi Liu, Enhong Chen, Leon Zhao, Liang He, Guangyi Lv. Convolutional Nonlinear Neighbourhood Components Analysis for Time Series Classification. PAKDD 2015, accepted.[PDF]

  • Guowei Ma, Qi Liu*, Enhong Chen, Biao Xiang. Individual Influence Maximization via Link Recommendation. WAIM 2015, accepted for regular paper.[PDF]

  • Qi Liu, Zheng Dong, Chuanren Liu, Xing Xie, Enhong Chen, Hui Xiong. Social Marketing Meets Targeted Customers: A Typical User Selection and Coverage Perspective. IEEE ICDM 2014, accepted for regular paper(71/727=9.7%).[PDF]

  • Qi Liu, Biao Xiang, Enhong Chen, Hui Xiong, Fangshuang Tang, Jeffrey Xu Yu. Influence Maximization over Large-Scale Social Networks: A Linear Approach with Bound. ACM CIKM 2014, accepted for full paper(95/457=21%).[PDF]

  • Chen Zhu, Hengshu Zhu, Yong Ge, Enhong Chen, Qi Liu. Tracking the Evolution of Social Emotions: A Time-Aware Topic Modeling Perspective. IEEE ICDM 2014, accepted for regular paper(71/727=9.7%).[PDF]

  • Hongke Zhao, Le Wu, Qi Liu, Yong Ge, Enhong Chen. Investment Recommendation in P2P Lending: A Portfolio Perspective with Risk Management. IEEE ICDM 2014, accepted for short paper((71+71)/727=19%).[PDF]

  • Fangshuang Tang, Qi Liu, Hengshu Zhu, Enhong Chen and Feida Zhu. Diversified Social Influence Maximization. ASONAM 2014, accepted.[PDF]

  • Zhefeng Wang, Hao Wang, Qi Liu and Enhong Chen. Influential Nodes Selection: A Data Reconstruction Perspective. SIGIR 2014, accepted for short paper.[PDF]

  • Yi Zheng, Qi Liu, Enhong Chen, Yong Ge and Leon Zhao. Time Series Classification using Multi-Channels Deep Convolutional Neural Networks. WAIM 2014, accepted for full paper.[PDF]

  • Qi Liu, Biao Xiang, Lei Zhang, Enhong Chen, Chang Tan, Ji Chen. Linear Computation for Independent Social Influence. IEEE ICDM 2013, accepted for regular paper(94/809=11.6%).[PDF]

  • Xiang Wu, Qi Liu, Enhong Chen, Liang He, Jingsong Lv, Can Cao and Guoping Hu. Personalized Next-song Recommendation in Online Karaokes. ACM RecSys 2013, Accepted for Short Oral presentation.[PDF]

  • Biao Xiang, Qi Liu, Enhong Chen, Hui Xiong, Yi Zheng, Yu Yang. PageRank with Priors: An Influence Propagation Perspective. IJCAI 2013, pages: 2740-2746,2013.[PDF]

  • Xue Bai, Yun Xiong, Yangyong Zhu, Qi Liu and Zhiyuan Chen. Co-anomaly Event Detection in Multiple Temperature Series. Springer KSEM 2013, pages: 1-14,2013.(Best Paper Award)[PDF]

  • Le Wu, Enhong Chen, Qi Liu, Linli Xu, Tengfei Bao, Lei Zhang. Leveraging Tagging for Neighborhood-aware Probabilistic Matrix Factorization. CIKM 2012. [PDF]

  • Yu Yang, Enhong Chen, Qi Liu, Biao Xiang, Tong Xu, Shafqat Ali Shad. On Approximation of Real-World Influence Spread. ECML-PKDD 2012. [PDF]

  • Qi Liu, Biao Xiang, Enhong Chen, Yong Ge, Hui Xiong, Tengfei Bao, Yi Zheng. Influential Seed Items Recommendation. ACM RecSys 2012. [PDF]

  • Chang Tan, Qi Liu, Enhong Chen, Hui Xiong. Prediction for Mobile Application Usage Patterns. Nokia MDC Workshop 2012. [PDF]

  • Qi Liu, Yong Ge, Zhongmou Li, Enhong Chen, and Hui Xiong, Personalized Travel Package Recommendation. IEEE ICDM 2011, pages: 407--416, 2011.(Best Research Paper Award)[PDF]

  • Yong Ge, Hui Xiong, Alexander Tuzhilin and Qi Liu. Collaborative Filtering with Collective Training. ACM RecSys 2011, pages: 281--284, 2011.[PDF]

  • Qi Liu, Enhong Chen, Biao Xiang, Chris H.Q Ding, and Liang He. Gaussian Process for Recommender Systems. Springer KSEM 2011, pages: 56--67, 2011.[PDF]

  • Yong Ge,Qi Liu, Hui Xiong, Alexander Tuzhilin and Jian Chen, Cost-aware Travel Tour Recommendation, ACM SIGKDD 2011 , pages: 983--991, 2011.[PDF]

  • Qi Liu, Enhong Chen, Hui Xiong and Chris H.Q. Ding, Exploiting User Interests for Collaborative Filtering: Interests Expansion via Personalized Ranking, ACM CIKM 2010, pages: 1697--1700, 2010.[PDF]
  •     Book Chapters:

  • Qi Liu, Mobile Travel Tour Recommendation, Encyclopedia of GIS, 2016.5.

  • Qi Liu, Zhefeng Wang, Enhong Chen, Influence Maximization Model, Encyclopedia of Social Network Analysis and Mining, 2017.

  • *: Corresponding author

    Professional Activities

  • Member of the Youth Innovation Promotion Association,CAS(中科院青年创新促进会)、Member of CCF since 2014, CCF YOCSEF AC Member (Hefei) since 2015.

  • Member of the MSRA StarTrack Visiting Young Faculty (微软亚洲研究院“铸星计划”), Microsoft Research Asia, Beijing 2014.

  • Co-Chair: ICDM MobileDM & HuMoComp 2015.

  • Publicity Chair: CCF BigData 2017、CCF BigData 2016、CCF BigData 2015.

  • Session Chair: CCDM2014, ICDM2013; Publication Chair: KSEM2011.

  • Journal Reviewer: IEEE Trans. KDE, IEEE Trans. SMC-C, IEEE Trans. TC(SMC-B), KAIS, WWWJ., Computer J., IJAC, WIAS, JCST, etc.

  • PC Member: CIKM 2017, IJCAI 2017, WWW 2017, AAAI 2017, WSDM 2017, KDD 2016, ICDM 2016, SDM 2016, WAIM 2016, RecSys 2016, RecSys 2015, IJCAI 2015 (ML Track), KDD 2015, ICDM 2015, DASFAA 2015, SDM2015, WSDM2015, ICDM2014, WI2014,RecSys2014, BigData2014, WAIM2014, DSAA2014, CCDM2014, ICDM 2013, WAIM 2013, IDEAL 2013, etc

  • External Reviewer: ACM TIST, KDD2014, KDD2013, SDM2013, WSDM2013, WWW2013, PAKDD2013, KDD2012, SDM2012, CIKM2011, PKDD2011, KDD2010, PAKDD2010, SDM2010, etc.

  • Research Grants (Principal Investigator)

  • 2017.1-2020.12, the Natural Science Foundation of China

  • 2015.10-2016.12, CCF-Tencent Open Research Fund

  • 2015.9-2016.8, CCF-Intel Young Faculty Researcher Program(YFRP)

  • 2015.1-2017.12, the Natural Science Foundation of China

  • 2014.7-2016.6, Anhui Provincial Natural Science Foundation

  • 2014.4-2016.3, iFLYTEK Research project

  • 2014.1-2017.12, The Youth Innovation Promotion Association,CAS

  • 2014.1-2015.12, Fundamental Research Funds for the Central Universities

  • Teaching

  • An Introduction to Database Systems, Undergraduate Course in Computer, USTC, Spring 2017.

  • Artificial Intelligence, M.E. Course in Computer, USTC, Fall 2014, Tianjin/Jinan;Spring 2015, Hefei/Sanming.

  • Introduction to Data Mining, M.E. Course in Computer, USTC, Fall 2013.

  • Data Structure, M.E. Course in Computer, USTC, Summer 2013, Nanjing.

  • Experiences

  • Assistant Researcher, School of Computer Science and Technology, USTC. Jul.2012~Jun. 2013.

  • Visiting Student. Rutgers Business School, Rutgers University. Sep.2010~Dec. 2011.

  • Teaching Assistant, Data Mining (Prof. Hui Xiong). Rutgers Business School, Rutgers University, Feb. 2011~May. 2011.

  • One of the Contestant/Team Member, "The First National Data Mining Invitation Tournament for College Students (Postgraduate), China." Mar.2011~May.2011.

  • Development Engineer, Personalized Recommendation Team. Alibaba (China) Technology Co., Ltd. Mar.2010~Sep.2010.

  • Vice-monitor of the class of Ph.D.s in School of Computer Science and Technology, USTC, 2009~Present.

  • Defence Secretaries for both M.S.s and Ph.Ds in School of Computer Science and Technology, USTC, 2009.

  • Volunteers for both School of Computer Science and Technology and Youth League, USTC,2009.

  • Teaching Assistant, Data Structure (Prof. Ming Zhu). School of Information Science and Technology, USTC, Sep. 2008~Jan. 2009.

  • Teaching Assistant, Digital Logic (Prof. Tingliang Fu). School of Computer Science and Technology, USTC, Feb. 2009~Jul. 2009.

  • Minister of Social practice guidance center. QFNU, Sep. 2005~Jun.2006.

  • Related Links

  • Prof. Enhong Chen (USTC)

  • Prof. Hui Xiong (Rutgers)

  • Prof. Chris H.Q. Ding (UTA)

  • Prof. Xing Xie (MSRA)

  • Prof. Yong Ge (UNCC)

  • Prof. Alexander Tuzhilin (NYU)

  • Dr. Nicholas Jing Yuan (MSRA)

  • Dr.Lei Zhang, Hengshu Zhu, Tong Xu (USTC)

  • USTC DM group

  • Rutgers DM group
  • 网页模板网页模板