Namgyu Kim Sangwon Lee Songchun Moon Formalized Entity Extraction Methodology for Changeable Business Requirements. 649-671 2008 24 J. Inf. Sci. Eng. 3 http://www.iis.sinica.edu.tw/page/jise/2008/200805_01.html db/journals/jise/jise24.html#KimLM08