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l   National Taiwan University of Science and Technology, Taipei, Taiwan

Ph. D Candidate: Computer Science and Information Engineering

Advisor: Prof. Hahn-Ming Lee

Interests: network security, intrusion (botnet, worm and Trojan) detection, machine learning (semi-supervised learning and active learning)

l   Chinese Culture University, Taipei, Taiwan

M.S. Information Management                                         

Advisor: Prof. Huey-Ming Lee    

Interests: information appliances, artificial intelligent, fuzzy control, neural fuzzy

Thesis: Intelligent control Model of Information Appliances

l   Tamkang University, Taipei, Taiwan

B.S. Information Management


National Science Council Research Fellowship (2005-)

International Collaboration for Advancing Security Technology (iCAST) (2006-2009)


S.C. Johnson & Son Taiwan, Ltd. Taipei, Taiwan (2003/2~2004/2)

Develop Enterprise Resource Planning and workflow system

Network architecture management

Institute for Information Industry, Taipei, Taiwan (2001/7~2002/7)

Develop internal information systems

Build up intranet network architecture


Intrusion detection and event analysis                                                    Current

   Botnet command and control (C&C) message detection using temporal analysis method

   Encrypted botnet C&C message detection based on protocol graph

   Intrusion detection system (IDS) alert correlation and active graph construction

Semi-supervised learning for network security                                       Current

   Co-training algorithm, EM algorithm and active learning paradigm for large network data environment

   Rare category detection using K-nearest-neighbors based method in network environment

Anti-spam Emails                                                                                             2006

   Applying word social network to profile legitimate and spam Emails and identifying spam Emails

Intelligent control mechanism of Information appliances                   2004-2007

   Applying fuzzy inference mechanism to represent users preference and using fuzzy neural network to learn users behaviors for intelligent control

Invited Talk

Botnet C&C and Fast-Flux Detection, Workshop on Understanding Botnets of Taiwan 2009 (BoT 2009), National Tsing-Hua University, Jun 18th 2009.

(URL: http://www.botnet.tw/content/confs/bot2009PDF.html)


Ching-Hao Mao, Yu-Jie Chen, Si-Yu Huang, and Hahn-Ming Lee, “IRC-Botnet Network Behavior Detection in Command and Control Phase Based on Sequential Temporal Analysis,”in the 19th Cryptology and Information Security Conference (CISC 2009), Taipei, Taiwan, 3-5 June 2009. (Best Student Paper Award)

Ching-Hao Mao, Hahn-Ming Lee, Devi Parikh, Tsuhan Chen, Si-Yu Huang,  “Semi-Supervised Cotraining and Active Learning based Approach for Multi-view Intrusion Detection,” in Proceedings of 24th Annual ACM Symposium on Applied Computing (SAC’09), 2009. (Acceptance rate: 16%)

Che-Fu Yeh, Ching-Hao Mao, Hahn Ming Lee and Tsuhan Chen, “Adaptive E-mail Intention Finding Mechanism based on E-mail Words Social Networks,” ACM SIGCOMM 2007 Workshop on Large-Scale Attack Defense (LSAD), August 27, 2007, Kyoto, Japan. (EI indexed)

     Ching-Hao Mao, Ta-Wei Hung, Jan-Ming Ho and Hahn-Ming Lee, 2006, “Semantic Similarity Measurement of Chinese Financial News Titles Based on Event Frame Extracting,” 2006 IEEE International Conference on e-Business Engineering(ICEBE), Shanghai, China, October 24-26, 2006.  (EI indexed)

   Chiung-Wei Huang, Ching-Chung Yu, Ching-Hao Mao, and Hahn-Ming Lee, 2006, “Network Motif Model: An Efficient Approach to Extract Features from Relational Data,” 2006 IEEE International Conference on Systems, Man, and Cybernetics, Taipei, Taiwan, October 8-11, 2006.

     Huey-Ming Lee, Ching-Hao Mao, A Self-Adaptive Evolutionary Negative Selection Approach of Home Anomaly Events Detection, Knowledge-Based Intelligent Information & Engineering Systems, Lecture Notes in Artificial Intelligence, LNAI 4694/2007, Springer-Verlag, pp. 325-332, 2007.

   Huey-Ming Lee, Ching-Hao Mao and S.-Y. Lee, “Intelligent Control Model of Information Appliances”, Proceedings of the 8th International Conferences on Knowledge-Based Intelligent Information & Engineering Systems (KES 2004), Lecture Notes in Artificial Intelligence, Springer-Verlag, LNAI 3215, pp.123-128, Wellington, New Zealand. Sep. 22~24, 2004.  


l   The 19th Cryptology and Information Security Conference , Best Student Paper Award, 2009.

l   Computer Society of the Republic of China Graduate Research Scholarship,2007.  (中華民國電腦學會研究生講學金,成績優異,同年級第一名)

l   Hwa Kan Scholarship, Chinese Culture University, 2004. (華岡獎學金,成績優異,同年級第一名)

l   Tiwu Wang Scholarship, United Daily News Group, 2006.

l   Tiwu Wang Scholarship, United Daily News Group, 2004.