1. Zadeh, L.A.: Fuzzy logic equals computing with words. IEEE Trans. Fuzzy Syst. 4, 103–111 (1996)
2. Zadeh, L.A.: Toward a theory of fuzzy information granulation and its centrality in human reasoning and fuzzy logic. Fuzzy Sets Syst. 90, 111–127 (1997)
3. Lin, T.Y.: Granular computing on binary relations I: data mining and neighborhood systems. In: Skowron, A., Polkowski, L. (eds.) Rough Sets in Knowledge Discovery, pp. 107–121. Physica-Verlag, Heidelberg (1998)
4. Lin, T.Y.: Granular computing on binary relations II: rough set representations and belief functions. In: Skowron, A., Polkowski, L. (eds.) Rough Sets in Knowledge Discovery, pp. 121–140. Physica-Verlag, Heidelberg (1998)
5. Yao, Y.Y.: Granular computing: basic issues and possible solutions. In: Proceedings of the Fifth International Conference on Computing and Information, vol. 1, pp. 186–189 (2000)