Janis Cirulis. Knowledge Representation in Extended Pawlak s Information Systems: Algebraic Aspects. In Thomas Eiter, Klaus-Dieter Schewe, editors, Foundations of Information and Knowledge Systems, Second International Symposium, FoIKS 2002 Salzau Castle, Germany, February 20-23, 2002, Proceedings. Volume 2284 of Lecture Notes in Computer Science, pages 250-267, Springer, 2002. [doi]
Abstract is missing.