Research on the approach of dynamically maintenance of approximations in rough set theory while attribute values coarsening and refining. - Hongmei Chen 001; Tianrui Li 001; Weibin Liu; Weili Zou (GrC, 2009)

Approaches for incrementally updating approximations based on set-valued information systems while attribute values' coarsening and refining. - Weili Zou; Tianrui Li 001; Hongmei Chen 001; Xiaolan Ji (GrC, 2009)

An Incremental Approach for Inducing Knowledge from Dynamic Information Systems. - Dun Liu; Tianrui Li 001; Da Ruan 001; Weili Zou (Fundam. Informaticae, 2009)