1993 Issues Vol. 18

Vol. 18 - No. 1 - 1993 Contents:

• Z. Borso: A characterization of ranking methods based on t-norms.
• J. Cybulka, J. Martinek: The action semantics interpreter.
• M. Buslowicz: A method for D-stability analysis of polynomials with linearly dependent coefficient perturbations.
• M. Abdel-Magid: Observers for descriptor systems with unmeasurable arbitrary disturbances.

Vol. 18 - No. 2 - 1993 Contents:

• B. Bouzaiene-Ayari, M. Dror, G. Laporte: Vehicle routing with stochastic demands and split deliveries.
• P. Czyzak, R. Slowinski, J. Zak: 'M-FLIP' - an interactive method for multi-objective mixed integer linear fractional programming under uncertainty.
• J. Dassow, CH. Paun, S. Vicolov: On the power of cooperating/distributed grammar systems with regular components.
• A. Jaszkiewicz, R. Slowinski: Integration and tests of non-linear solvers GRG and DIDAS with a microcomputer implementation of the light beam search over a non-dominated surface.
• Z. Krolikowski: Evaluation of estimation methods of attribute values distribution and intermediate relation sizes.

Vol. 18 - No. 3-4 - 1993 Contents:
Special issue on Rough Sets - state of the art and perspectives.

• Z. Pawlak: Roug sets: Present state and the future.
• M. Banerjee, M.K. Chakraborty: A category for rough sets.
• M.R. Chmielewski, J.W. Grzymala-Busse, N.W. Peterson, S. Than: The rule induction system LERS - A version for personal computers.
• A. Lenarcik, Z. Piasta: Probabilistic approach to decision - algorithm generation in the case of continuous condition attributes.
• T.Y. Lin: Rough patterns in data - roug sets and intrusion detection systems.
• T. Luba, J. Rybnik: Algorithmic approach to discernibility function with respect to attributes and objects reduction.
• A. Mrozek, L. Plonka: Roug sets in image analysis.
• A. Nakamura: On a multi-modal logic based on the graded classifications.
• L.T. Polkowski: Metric spaces of topological rough sets from countable knowledge bases.
• C. Rauszer: Distributive knowledge representation system.
• P.K. Sapiecha: An approximation algorithm for a certain class of NP-hard problems.
• A. Skowron, J. Stepaniuk: Intelligent systems based on rough set approach.
• R. Slowinski: Strict and week indiscernibility of objects described by quantitative attributes with overlapping norms.
• J. Stefanowski: Classification and decision supporting based on rough set theory.
• W. Ziarko: Analysis of uncertain information in the framework of variable precision rough sets.