A rough set approach to the treatment of continuous-valued attributes in multi-concept classification for mechanical diagnosis. - Li Pheng Khoo; Lian-Yin Zhai (Artif. Intell. Eng. Des. Anal. Manuf., 2001)

A prototype genetic algorithm-enhanced rough set-based rule induction system. - Li Pheng Khoo; Lian-Yin Zhai (Comput. Ind., 2001)

A rough set based QFD approach to the management of imprecise design information in product development. - Lian-Yin Zhai; Li Pheng Khoo; Zhao-Wei Zhong (Adv. Eng. Informatics, 2009)

A dominance-based rough set approach to Kansei Engineering in product development. - Lian-Yin Zhai; Li Pheng Khoo; Zhao-Wei Zhong (Expert Syst. Appl., 2009)

Design concept evaluation in product development using rough sets and grey relation analysis. - Lian-Yin Zhai; Li Pheng Khoo; Zhao-Wei Zhong (Expert Syst. Appl., 2009)

Towards a QFD-based expert system: A novel extension to fuzzy QFD methodology using rough set theory. - Lian-Yin Zhai; Li Pheng Khoo; Zhao-Wei Zhong (Expert Syst. Appl., 2010)