1. PhD's thesis External Examiner, Computer Sciences Department, University of Joensuu, Sep. 2009, (Jussi Nuutinen, Nucleus Model for Designing Social Mindtools: Woven Stories)

    2. PhD's thesis External Examiner, Computer Sciences Department, National Chung Cheng University, July, 2009, (Li-Ren Chien, DICE, a Parse-Tree Based Automatic Programming Assessment System with Test Driven Development)

    3. PhD thesis External Examiner, Information System Department, Massey University, New Zealand, Oct. 2009, (Jingyu Yang, Improving Effectiveness of Dialogue in Learning Communities)

    4. PhD's thesis External Examiner, Computer Sciences Department, University of Joensuu, Sep. 2006, (Jussi Nuutinen, Designing a Computer Supported Collaborative Mindtool: Woven Stories)

    5. PhD's thesis External Examiner, Doctoral Research Committee and Department of Information Systems, the Oral Examination for PhD candidate Mr Tiong-Thye GOH, Massey University, New Zealand, 2006

    6. PhD's thesis, Creative Multimedia, Multimedia University, Malaysia, May 2006, (Koo Ah Choo, Online Collaborative Learning in Malaysian secondary schools: a case study on Geometry)

    7. PhD's thesis, Information System Department, Massey University, New Zealand, February 2006, (Ali Fawaz Shareef, Distance Education in the Remote Islands of Maldives)

    8. PhD's thesis, Information System Department, Massey University, New Zealand, April, 2005, (Russell Stewart Johnson, On developing an extramural e-learning environment to bridge the digital divide)

    9. PhD's thesis, Information Management Department, Yuan-Lin Science & Technology University, December, 2004, (Lin Kan-Ming, A Study on Online Learning Activities and Learning Outcomes)

    10. Master's thesis, Information System Department, Massey University, New Zealand, December 2003, (Lin Shs, Higher-Level Intelligence through Horizontal & Vertical Networking of Tutoring Applications)

    11. PhD's thesis, Industry Education Department, National Taiwan Normal University, Taiwan, February 2003, (Ya-Ping Huang: Evaluation Criteria for Web-based Instruction System)

    12. Master's thesis, Mathematic Education Department, National Tai-Tung Normal University, Taiwan, January 2003, (Bien-Hen Tsai, Using Virtual Classroom to Support Geometry Learning for Primary School Students )

    13. Master's thesis, Information Science Department, National Chiao-Tung University, Taiwan, June 2002, (Sung-Jei Lin, A Study of IDML-based Distributed Intrusion Detection System)

    14. Master's thesis, Information Science Department, National Chiao-Tung University, Taiwan, June 2002, (Jien-Ru Jeng, An XML Solution for Smart Document Management)