4OR - A Quarterly Journal of Operations Research is a peer-reviewed scientific journal that was established in 2003 and is published by Springer Science+Business Media. It is a joint official journal of the Belgian,French, andItalian Operations Research Societies. The journal publishes research papers and surveys on the theory and applications of Operations Research.The Editors-in-chief are Yves Crama (University of Liège), Michel Grabisch (Pantheon-Sorbonne University), and Silvano Martello (University of Bologna). ()