| 1999 | Total Knowledge and Partial Knowledge in Logical Models of Information Retrieval. | Fabrizio Sebastiani |
| 1999 | Solving Real-Life Time-Tabling Problems. | Martin Schmidt |
| 1999 | A Dynamic Integration Algorithm for an Ensemble of Classifiers. | Seppo Puuronen, Vagan Y. Terziyan, Alexey Tsymbal |
| 1999 | Rough Set Based Data Exploration Using ROSE System. | Bartlomiej Predki, Szymon Wilk |
| 1999 | Approximate Time Rough Software Cost Decision System: multicriteria Decision-Making Approach. | James F. Peters, Liting Han, Sheela Ramanna |
| 1999 | Towards an Intelligent System Dealing with Nuanced Information Expressed in Affirmative or Negative Forms. | Daniel Pacholczyk |
| 1999 | Modelling and Reasoning about Multi-dimensional Information. | Mehmet A. Orgun |
| 1999 | Externalization of Human Idea and Problem Description for Automatic Programming. | Setsuo Ohsuga, Takumi Aida |
| 1999 | Decomposition of Task Specification Problems. | Hung Son Nguyen, Sinh Hoa Nguyen, Andrzej Skowron |
| 1999 | Discovery of Generalized Patterns. | Sinh Hoa Nguyen |
| 1999 | Virus-Enhanced Genetic Algorithms Inspired by DNA Computing. | Jan J. Mulawka, Piotr Wasiewicz, Katarzyna Pietak |
| 1999 | Several Extensions of Truth Values in Fuzzy Logic. | Masao Mukaidono |
| 1999 | Selection of a Relevant Feature Subset for Induction Tasks. | Delphine Michaut, Pierre Baptiste |
| 1999 | Reasoning and Acquisition of Knowledge in a System for Hand Wound Diagnosis and Prognosis. | Maciej Michalewicz, Mieczyslaw A. Klopotek, Slawomir T. Wierzchon |
| 1999 | Discovering Semantic Proximity for Web Pages. | M. A. Merzbacher |
| 1999 | Semantic Ontology Tools in IS Design. | Robert Meersman |
| 1999 | Evolutionary Algorithms as Fittness Function Debuggers. | F. Mansanne, F. Carrre, A. Ehinger, Marc Schoenauer |
| 1999 | A Statistical Approach to Rule Selection in Semantic Query Optimisation. | Barry G. T. Lowden, Jerome Robinson |
| 1999 | Querying Document Bases by Content, Structure and Properties. | Patrick Lambrix, Nahid Shahmehri, Svend Jacobsen |
| 1999 | A Better Fitness Measure of a Text-Document for a Given Set of Keywords. | Sukhamay Kundu |
| 1999 | Incomplete Database Issues for Representative Association Rules. | Marzena Kryszkiewicz, Henryk Rybinski |
| 1999 | Knowledge Discovery in Texts: A Definition, and Applications. | Yves Kodratoff |
| 1999 | Applications and Research Problems of Subgroup Mining. | Willi Klsgen |
| 1999 | An Interpretation for the Conditional Belief Function in the Theory of Evidence. | Mieczyslaw A. Klopotek, Slawomir T. Wierzchon |
| 1999 | Cluster Evolution Strategies for Constrained Numerical Optimization. | Cees H. M. van Kemenade, Joost N. Kok |