【摘要】 属性约简是模糊系统中研究的重要内容之一。该文首先指出刘树平等学者提出的基于粗糙集的启发式约简算法的不完善之处,然后给出一种考虑用户偏好的改进的约简算法。最后通过一个信息系统实例,证明该算法的可行性和有效性。更多还原

【Abstract】 The attribute reduction is one of the major contents of fuzzy system research .This paper first point out the imperfections in Li Shu-ping’s heuristic algorithm for reduction based on rough set theory .Then it offers an improved reduction algorithm which considering user’s requirements of attributes .Finally , an information system example is used to prove its feasibility and effectiveness.更多还原