1. Albaraan, M.: Weak controllability in a parallel flow model of computation and its relationship with rough sets. In: P. P. Wang (ed.), Proceedings of the International Workshop on Rough Sets and Soft Computing at Second Annual Joint Conference on Information Sciences (JCIS’95), Wrightsville Beach, North Carolina, 28 September — 1 October (1995) 205–20
2. An, A., Chan, C., Shan, N., Cercone, N., Ziarko, W.: Applying knowledge discovery to predict water-supply consumption. IEEE Expert 12/4 (1997) 72–78
3. Baltzersen, J. K.: An attempt to predict stock market data: A rough sets approach. Master Thesis, supervisor J. Komorowski. Knowledge Systems Group, The Norwegian University of Science and Technology, Trondheim, Norway (1995)
4. Beaubouef, T., Petry, F. E., Buckles, B. P.: Extension of the relational database and its algebra with rough set techniques. In: W. Ziarko (ed.), Computational Intelligence: An International Journal 11/2 (1995) (special issue) 233–245
5. Cattaneo, G.: Mathematical foundations of roughness and fuzziness. In: S. Tsumoto at al, (eds.), The fourth International Workshop on Rough Sets, Fuzzy Sets and Machine Discovery, Proceedings, The University of Tokyo (1996) 241–247