| 211 | -- | 221 | Mohua Banerjee, Mihir K. Chakraborty. Rough Sets Through Algebraic Logic |
| 223 | -- | 245 | Alexander Bochman. On a Logical Basis of Normal Logic Program |
| 247 | -- | 259 | Cat-Ho Nguyen. A Method in Linguistic Reasoning on a Knowledge Base Representing by Sentences with Linguistic Belief Degree |
| 261 | -- | 271 | Patrick Doherty, Witold Lukaszewicz, Andrzej Szalas. A Reduction Result for Circumscribed Semi-Horn Formulas |
| 273 | -- | 296 | John Green, Neil Horne, Ewa Orlowska, Paul Siemens. A Rough Set Model of Information Retrieval |
| 297 | -- | 301 | Dima Grigoriev, Marek Karpinski, Andrew M. Odlyzko. Short Proofs for Nondivisibility of Sparse Polynomials under the Extended Riemann |
| 303 | -- | 313 | Anna Gomolinska. On Semantics for the Nonmonotonic Modal Formalization of the Logic of Acceptance and Rejection |
| 315 | -- | 330 | Gheorghe Paun, Lech Polkowski, Andrzej Skowron. Parallel Communicating Grammar Systems with Negotiation |
| 331 | -- | 346 | Slavian Radev. Argumentation Systems |
| 347 | -- | 352 | Wladyslaw Skarbek. Dynamic Behaviour of Spatial Signal OR-Graphs |
| 353 | -- | 376 | Zbigniew Suraj. Discovery of Concurrent Data Models from Experimental Tables: A Rough Set Approach |
| 377 | -- | 402 | Karl Schlechta. A Two-Stage Approach to First Order Default Reasoning |
| 403 | -- | 421 | Józef Winkowski. Concatenable Weighted Pomsets and Their Applications to Modelling Processes of Petri Nets |
| 423 | -- | 430 | Jakub Wroblewski. Theoretical Foundations of Order-Based Genetic Algorithms |