Dr. Chaokun WANG

Associate Professor

School of Software, Tsinghua University
Beijing 100084, China

Tel: +86 10 6279 5393
Office: Room 11-405, East Main Building

Dr. Chaokun Wang received the B.Eng. degree in computer science and technology, the M.Sc. degree in computational mathematics and the Ph.D. degree in computer software and theory in 1997, 2000 and 2005, respectively, from Harbin Institute of Technology, China. He joined the faculty of School of Software at Tsinghua University (THSS) in February 2006, where currently he is an Associate Professor. He has published over 80 refereed papers, got two best paper awards at international conferences and holds thirteen patents. In addition, He is the Leader of the Working Group of Graduate Students in THSS since June 2013.

Research Interest

Social Networks; Knowledge Graphs; Multimedia Computing; Big Data Systems;
Earthquake Ground Motions Selection; Data and Software Protection

Research Grants

Research on Query Processing for Generalized Data, NSFC (PI, Jan. 2014 - Dec. 2017)

Research on Key Techniques on Discovering Potential Important Members in Social Networks, NSFC (PI, Jan. 2012 - Dec. 2015)

Research on Earthquake Ground Motions Selection, TNLIST (PI, Jul. 2010 - Jun. 2012)

Native Music Data Model and Query Language, NSFC (PI, Jan. 2009 - Dec. 2011)

Professional Services


Editorial Board Member of Journal of Information Technology and Architecture.

Program Committee Co-Chair of WASA 2014.

Program Committee Co-Chair of USDM 2012.

Local Organization Co-Chair of APWEB 2011.

PC member of
AAAI 2017, CIKM 2017 (Demo track), NDBC 2017, WASA 2017, ICPCSEE 2017,
AAAI 2016, WASA 2016, NDBC 2016, SOCIALCOM 2016, WASA 2015, NDBC 2015, VARA 2015, APWEB 2014, ASONAM 2014, CSoNet 2014, NDBC 2014, VARA 2014,
BSIC 2013, VARA 2013, IUCC 2013, APWEB 2013, BSI 2013, EDB 2013, NDBC 2013, NDBC 2013 (Demo track), DASFAA 2013 (Demo track), WAIM 2013, MSTD 2013,
SNSDB 2012, FCST 2012, VARA 2012, USDM 2012 [Program(draft)], SCA 2012, EDB 2012, NDBC 2012, NDBC 2012 (Demo track), APWEB 2012, SNSM 2012,
FCST 2011, USDM 2011, CSN 2011, NDBC 2011 (Demo track), APWEB 2011, VARA 2011, FCST 2010.

I am also a reviewer for the following scientific journals:
IEEE Transactions on Knowledge and Data Engineering,
World Wide Web Journal,
Computers and Security,
Multimedia Tools and Applications,
Frontiers of Computer Science,
Chinese Journal of Software,
Chinese Journal of Computers.

Current Research Projects

LaFT-Explorer : Latent Friendship Transitivity Tools

G-Path : Flexible Path Pattern Queries on Large Graphs

MUSIZ : Music Resizing with Stretching, Cropping and Insertion

Past Research Projects

MapDupReducer : Detecting Near Duplicates over Massive Datasets

TSEER : A Novel Earthquake Wave Search System


An Introduction to Modern Database Systems (84100162): Fall, 2010-2016
Architecture of Computer and Network (II, 34100344, with Prof. Fan): Spring, 2014-2016; Fall, 2016
Digital Media (II, 44100415, with Prof. Chen&Ding): Fall, 2014-2016

Principles of Compiler Design (34100162): Fall, 2007-2012
Assembly Language Programming (44100323): Summer, 2009-2012
Programming on Mobile Platforms (84100162): Fall, 2008-2009
Principles of Compiler Design (34100173): Fall, 2006

Research Group

Selected Papers ( List@DBLP, List@GoogleScholar, full list of publications )

  1. Chaokun Wang, Xin Xin, and Jingwen Shang. When to Make a Topic Popular Again? A Temporal Model for Topic Re-hotting Prediction in Online Social Networks. IEEE Transactions on Signal and Information Processing over Networks, 2017
  2. Zheng Wang, Chaokun Wang, Jisheng Pei, Xiaojun Ye. Multiple Source Detection without Knowing the Underlying Propagation Model. In Proceedings of the 31st AAAI Conference on Artificial Intelligence (AAAI-17), San Francisco, California, 4-9, February 2017. AAAI Press. (AAAI, full paper).
  3. Shaoxu Song, Yu Gao, Chaokun Wang, Xiaochen Zhu, Jianmin Wang, and Philip S. Yu. Matching Heterogeneous Events with Patterns. IEEE Transactions on Knowledge and Data Engineering, 2017
  4. Li Jin, Ling Feng, Gangli Liu, and Chaokun Wang. Personal Web Revisitation by Context and Content Keywords with Relevance Feedback. IEEE Transactions on Knowledge and Data Engineering, 2017
  5. Ji Li, Siyao Cheng, Zhipeng Cai, Jiguo Yu, Chaokun Wang, and Yingshu Li. Approximate Holistic Aggregation in Wireless Sensor Networks. ACM Transactions on Sensor Networks, 2017