Roman Słowiński and His Research Program: Intelligent Decision Support Systems Between Operations Research and Artificial Intelligence -- Roman’s Scientific Trajectory: A Retrospective with an Emphasis on the Beginning -- ELECTRE Methods: A Survey on Roman Słowiński Contributions -- How...

What Is a Decision Problem? Designing Alternatives -- MCDA Approaches for Efficient Strategic Decision Making -- Collaborative Decision Making for Small Groups utilizing UTA Methods -- Disaggregation Approaches for Multicriteria Classification: An Overview -- Multiple Criteria Approaches for...

Fair Assignment of Debt Cases to Legal Debt Collection Centers -- On the Principle of Lagrange in Optimization Theory and Its Application in Transportation and Location Problems -- Measuring Foreign Trade-Logistics Efficiency: A DEA Approach and the Malmquist Index -- Partially Non-discretionary...

Bernard Gendron and Operations Research -- Methodological Developments -- Variable Neighbourhood Search with Dynamic Exploration for the Set Union Knapsack Problem -- Common-Flow Formulations for the Diameter Constrained Spanning Tree Problem -- Models and Methods for Two-Level Uncapacitated...