Hotspot for Study in UML of China: Co-word Analysis

Co-word analysis is a typical kind of content analysis, and also it is an important content mining method. It has been widely used in medicine, chemistry, artificial intelligence, software engineering, information science and information system. By the use of SPSS software, this paper analyzes co-word of the articles on UML issued in the periodicals from year 2001 to 2008 collected by CNKI database. The relationships among subject headings and the hotspot of the researches on UML in China are also explored with the help of the factor analysis method and the hierarchical clustering method.