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====== Tong ZHAO ======

I'm a PhD candidate in CSE department at CUHK, advised by Prof. Irwin King. I'm broadly interested in machine learning, data mining, social computing and recommender systems. 



==== Research Interests ====
  * Recommender systems
  * Social computing, social network analysis
  * Information retrieval
  * Algorithmic game theory
  * Multi-armed bandits
  * Probabilistic graphical models




==== Conference Publications ====
   *Shenglin Zhao, Tong Zhao, Irwin King, Michael R Lyu. Geo-Teaser: Geo-Temporal Sequential Embedding Rank for Point-of-interest Recommendation. In WWW Companion, 2017.
    *Tong Zhao, Irwin King. Constructing Reliable Gradient Exploration for Online Learning to Rank. In CIKM, 2016 (long paper, acceptance rate=17%, Best Student Paper Runner-up (Top 2 over 270 accepted papers, 0.7%))
    *Tong Zhao, H. Vicky Zhao, Irwin King. Exploiting Game Theoretic Analysis for Link Recommendation in Social Network. In CIKM 2015.
    *Tong Zhao, Julian McAuley, Irwin King. Improving Latent Factor Models Via Personalized Feature Projection for One Class Recommendation. In CIKM 2015.
    *Tong Zhao, Julian McAuley, Irwin King. Leveraging Social Connections to Improve Personalized Ranking for Collaborative Filtering. In CIKM 2014.
    *Tong Zhao, Junjie Hu, Pinjia He, Hang Fan, Michael Lyu and Irwin King. Exploiting Homophily-based Implicit Social Network to Improve Recommendation Performance. In IJCNN 2014.
    *Tong Zhao, Chunping Li, Mengya Li. Social Recommendation Incorporating Topic Mining and Social Trust Analysis. In CIKM 2013. 
    *Tong Zhao, Naiwen Bian, Chunping Li, Mengya Li. Topic-level Expert Modeling in CQA System.  In SDM 2013. 
    *Tong Zhao, Chunping Li, Mengya Li. Wikipedia-based Efficient Sampling Approach for Topic model. In International Network Conference, 2012. 
    *Tong Zhao, Chunping Li, Qiang Ding, Li Li. User-Sentiment Topic Model：Refining User’s Topics with Sentiment Information. In SIGKDD workshop on Mining Data Semantics in Information Networks, 2012. 
    *Tong Zhao, Chunping Li, Mengya Li, Siyang Wang. Predicting Best Responder in Community Question Answering using Topic Model Method. In the 2012 IEEE/WIC/ACM International Conference on Web Intelligence. 





==== Awards & Grants ====
  *Postgraduate Studentship, The Chinese University of Hong Kong	2013-present
  *National Scholarship for Postgraduate/Graduate students, Tsinghua University	2011 – 2012
  *RIM Research Special Scholarship, Tsinghua University	2011 – 2012
  *Software Student Research Training Scholarship, Tsinghua University	2011 – 2012



==== Research Experience ====
      *Visiting Student at Stanford.    05.2014-06.2014
        Supervisor: Prof. [[http://cseweb.ucsd.edu/~jmcauley/|Julian McAuley]] and Prof. [[http://cs.stanford.edu/people/jure/|Jure Leskovec]].
 	Research on incorporating social network information into one-class recommendation methods. 
      *Research Intern at Big Data Lab, Baidu Inc.    07.2014-09.2014
	Supervisor: Prof. [[http://www.stat.rutgers.edu/home/tzhang/|Tong Zhang]] and Dr. Fen Xia. Research on Bandit problems (contextual bandit for Link Unit recommendation, convex bandit optimization for parameter tuning) dealing with big data (several TB) using Hadoop.


==== Contact Information ====

Rm 1024, Ho Sin-Hang Engineering Building, \\
Department of Computer Science and Engineering, \\
CUHK, N.T., Hong Kong\\
Email: <tzhao@cse.cuhk.edu.hk>\\
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