Xiaoqing Frank Liu and Scott Sigman, "Capture Software Design Rationale Based on an Integrated Analysis of Both Software Process and Product Quality Requirements from Multiple Perspectives", International Journal of Concurrent Engineering: Research and Application (CERA), Vol. 5, No. 2, pp. 123-136, June, 1997.
John Yen and Xiaoqing Frank Liu, "A formal approach to the analysis of priorities of imprecise conflicting requirements", the International Journal of Artificial Intelligence Tools (long version), Vol.5, No. 1&2, pp. 185-197, June 1996.
John Yen, Xiaoqing Frank Liu, and Swee Hor Teh, "A Formal Methodology for the Acquisition and Analysis of Imprecise Requirements", International Journal of Concurrent Engineering: Research and Application (CERA), Special Issue on Applications of AI Techniques to Systems Engineering, vol. 2, no.4, pp. 265-277, December, 1994.
Xiaoqing Frank Liu and Junguk L. Kim, "An Efficient Parallel Sorting Algorithm", Information Processing Letter, (43):129-133, Elsevier Science Publishers, North Holland, September, 1992.
Frank Liu, Nengbin Wang, Ke Qiu and Liyi Hu, "NITDBDA: An Integrated Database Design and Evaluation System", Journal of Computer Sci. & Technol., No.8, 1989. (In Chinese with an English abstract).
Nengbin Wang, Xiaoqing Frank Liu and Guangfu Liu, "A Software Tool for Constructing Traditional Chinese Medicine Expert System", Journal of Computer Sci. & Technol., No.3, 1988. (In English).
Xiaoqing Frank Liu, "The Formal Definition of Data-Relationship Model and Its Properties", Journal of Nanjing Institute of Technology, Vol. 17, No. 5, 1987. (In Chinese with an English abstract).
Xiaoqing Frank Liu, Zen Wang and Zing Nie, "An Effective Relational Database Design Methodology", Journal of Computer Engineering and Applications, No.1, 1986. (In Chinese).