摘要
通过引入迪卡尔乘积,定义了双论域上的一般关系及其迪卡尔乘积多数包含关系,提出了一般关系下的双论域变精度粗糙集模型,这是对一般关系下的双论域粗糙集模型的推广;最后讨论了与该模型相关的性质.
Variable precision rough sets model of the double universes based on general relation is proposed by introducing Descartes product,defining general relation on the double universes and majority inclusion relation on Descartes product,which extends rough sets model on the double universes based on general relation that is put forward.Finally,some related properties about the generalized approximation space are discussed.
出处
《宁夏师范学院学报》
2011年第6期18-21,共4页
Journal of Ningxia Normal University
