4OR is jointly published by the Belgian, French, and Italian Operations Research Societies. Published quarterly, the journal features high quality papers on the theory and application of operations research. Rapid dissemination of important results is a hallmark of the journal. In addition to publishing original research findings, the journal publishes state-of-the-art surveys written by prominent researchers. The journal’s industry section features case studies as well as papers on operations research techniques in industry and on open industrial problems. Educational papers help improve the quality of operations research teaching. The PhD section publishes selected abstracts of recent PhD theses. Rounding out the coverage, the Team Vitrine section enables research teams to draw attention to recent directions of their research and put their achievements in perspective. Officially cited as: 4OR-Q J Oper Res