1. Shiang Tai Liu, 2012, The efficiency measurement and ranking of fuzzy relational data envelopment analysis, 2012 French Operations Research and Decision Making Conference, Angers, France (CD format). 2.Shiang Tai Liu, 2011, Measuring the efficiency change of Taiwan financial holding companies: A relational data envelopment analysis, 14th Applied Stochastic Models and Data Analysis Conference, Rome, Italy (CD format). 3. Shiang Tai Liu, 2010, Solving portfolio optimization problem based on extension principle, 23rd IEA/AIE, Conference on Operational Research, Cordoba, Spain (CD format). 4. Shiang Tai Liu, 2009, An efficiency decomposition approach to measure the performance of Taiwan financial holding companies, 23rd European Conference on Operational Research, Bonn, Germany (CD format). 5. Shiang Tai Liu, 2008, A relational DEA approach to measure the efficiencies of PCB Manufacturing firms, Flexible Automation & Intelligent Manufacturing 2008 Conference, Skövde, Sweden, 910-915. 6. Shiang Tai Liu, 2007, Solving quadratic programming with fuzzy parameters based on extension principle, 2007 IEEE International Conference on Fuzzy Systems, London, United Kingdom (CD format, indexed as EI). 7. Shiang Tai Liu, 2006, A fuzzy geometric programming approach to a fuzzy economic order quantity model, 2006 International Conference on Fuzzy Sets and Soft Computing in Economics and Finance (FSSCEF), St. Petersburg, Russia, 80-90. 8. Shiang Tai Liu, 2005, Geometric programming with fuzzy exponents and coefficients, 17th IMACS World Congress Scientific Computation, Applied Mathematics and Simulation, Paris, France (CD format). 9. Shiang Tai Liu, 2004, Geometric programming with fuzzy parameters, Proceedings of the 17th European Meeting on Cybernetics and Systems Research, Vienna, Austria, 453-457. 10. Shaing Tai Liu, 2003, Optimization of fuzzy machining economics problem via fuzzy geometric programming, The 8th Annual International Conference on Industrial Engineering, Las Vegas, USA, 111-117. (CD format). 11. Shaing Tai Liu, 2003, Fuzzy total cost bounds for fuzzy solid transportation problem, Proceedings of the 10th IFSA World Congress (IFSA 2003), Istanbul, Turkey, 528-531. 12. Shiang Tai Liu, 2002, Critical path and project crashing with fuzzy activity times, The 7th Annual International Conference on Industrial Engineering, Busan, Korea, 64-67 (CD format). 13. Shiang Tai Liu, 2002, Signal-to-noise ratios using fuzzy numbers, Proceeding of the 9th Bellman Continuum and International Workshop on Uncertain Systems and Soft Computing, Beijing, China, 282-288. 14. Shiang Tai Liu, 2001, Minimum cost flow problems with fuzzy arc lengths, The 5th World Multiconference on Systemics, Cybernetics and Informatics (SCI 2001) Orlando, USA (CD format). 15. Shiang Tai Liu, 2000, Correlation coefficient of fuzzy numbers: a membership function approach, Proceeding of International Workshop on Intelligent Systems Resolutions, National Tsing Hua University, Hsinchu, Taiwan, 240-244. 16. Shiang Tai Liu, 2000, Measuring the efficiency of Taiwan machinery firms: an application of fuzzy data envelopment analysis, Proceeding of the Sixth Pacific Management Conference, National Cheng Kung University, Tainan, Taiwan, 56-67. 17. 劉祥泰、高強,民國八十九年,模糊資料包絡法於銀行之經營績效預估,決策分析方法與應用研討會,台北銘傳大學,59-70。 18. 劉祥泰、高強,民國八十八年,分數規劃法求解模糊加權平均問題,中國工業工程八十八年年會,新竹清華大學。 19. 劉祥泰,民國八十八年,模糊資料包絡分析模式之技術與規模效率及對偶模式,第十四屆全國技職教育研討會,台南崑山技術學院,61-68。 20. 劉祥泰,民國八十七年,以模糊加權平均法評估機械業管理及技術水準,數量管理與應用研討會,台南成功大學,53-60。 21. 劉祥泰,民國八十七年,模糊資料包絡分析模式之效率改進解,中國工業工程八十七年年會,彰化大業大學。