Zehua Chen Gang Xie Gaowei Yan Keming Xie Application of a matrix-based binary granular computing algorithm in RST. 409-412 2005 conf/grc/2005 GrC http://doi.ieeecomputersociety.org/10.1109/GRC.2005.1547323 db/conf/grc/grc2005.html#ChenXYX05