Operations research, often shortened to the initialism OR, is a discipline that deals with the development and application of analytical methods to improve decision-making. The term management science is occasionally used as a synonym.
The Operational Research Society (ORS), also known as The OR Society, is an international learned society in the field of operational research (OR), with more than 3,100 members (2021). It has its headquarters in Birmingham, England.
Frank A. A. Plastria is a Belgian operations researcher, a professor in the department of mathematics, operational research, statistics and information systems for management at Vrije Universiteit Brussel, known for his work on facility location. His work has been published in journals such as the European Journal of Operational Research, Discrete Applied Mathematics and Mathematical Programming.
Laurence Alexander Wolsey is a Belgian-English mathematician working in the field of integer programming. His mother Anna Wolsey-Mautner was the daughter of the Viennese Industrialist Konrad David Mautner. He is a former president and research director of the Center for Operations Research and Econometrics (CORE) at Université catholique de Louvain in Belgium. He is professor emeritus of applied mathematics at the engineering school of the same university.
The Netherlands Society for Statistics and Operations Research is a Dutch professional association for Statistics and Operations Research. The society is a member of the umbrella organizations Federation of European National Statistical Societies (FENStatS), the Association of European Operational Research Societies (EURO), and of the International Federation of Operational Research Societies (IFORS).
The Association of European Operational Research Societies (EURO) is a regional grouping within the International Federation of Operational Research Societies (IFORS) whose aim is to promote Operational Research throughout Europe. It was established in 1975.
The Associazione Italiana di Ricerca Operativa (AIRO) – Optimization and Decision Sciences – is the professional non-profit society for the scientific field of Operations Research in Italy. The society is recognized by the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, as the main national society for Operations Research in its country. AIRO is part of FIMA, the Italian Federation of Applied Mathematics.
The Hungarian Operations Research Society (HORS) is the professional non-profit society for the scientific field of Operations Research in Hungary. The society is recognized by the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, as the main national society for Operations Research in its country,
The Croatian Operational Research Society (CRORS) is the professional non-profit society for the scientific field of Operations Research in Croatia. Its main mission is to promote operational research in Croatia and worldwide for the benefit of science and society. Since 1994, CRORS has been recognized by the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, as the main national society for Operations Research in Croatia, and CRORS actively participates in international promotion of operational research.
The Gesellschaft für Operations Research (GOR) is the professional non-profit society for the scientific field of Operations Research in Germany. The society is a member of the European umbrella organization, the Association of European Operational Research Societies (EURO), and of the International Federation of Operational Research Societies (IFORS).
The French Operations Research & Decision Support Society is a professional non-profit society that aims to promote the scientific field of Operations Research (OR) and Decision Support (DS) in France. The society is a member of the European umbrella organization, the Association of European Operational Research Societies (EURO), and of the International Federation of Operational Research Societies (IFORS).
The Center for Operations Research and Econometrics (CORE) is an interdisciplinary research institute of the University of Louvain (UCLouvain) located in Louvain-la-Neuve, Belgium. Since 2010, it is part of the Louvain Institute of Data Analysis and Modeling in economics and statistics (LIDAM), along with the Institute for Economic and Social Research (IRES), Louvain Finance (LFIN) and the Institute of Statistics, Biostatistics and Actuarial Sciences (ISBA).
The Österreichische Gesellschaft für Operations Research (OeGOR) is the professional non-profit society for the scientific field of Operations Research in Austria. The society is recognized by the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, as the main national society for Operations Research in its country.
The Operations Research Society of South Africa (ORSSA) is the national, professional body tasked with furthering the interests of those engaged in, or interested in, operations research (OR) activities in South Africa. The society is affiliated to the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, and is the main national society for Operations Research in the country.
The Sociedad de Estadística e Investigación Operativa is the professional non-profit society for the scientific fields of Statistics and Operations Research in Spain. It was founded in 1962 and it is dedicated to the development, improvement and promotion of the methods and applications of Statistics and Operations Research in its widest possible sense. The society has an ultimate goal of putting Statistics and Operations Research to the service of science and society. The society is recognized by the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, as the main national society for Operations Research in its country. SEIO is also member of CIMPA, Centre International de Mathématiques Pures et Appliquées, Confederación de Sociedades Científicas de España (COSCE), and of the European Mathematical Society (EMS).
The Polish Operational and Systems Research Society, POSRS is the Polish scientific, scholarly and professional non-profit society for the advancements of operational and systems research (OR/SR). The Society is the core active body of the Association of Polish Operational Research Societies (ASPORS), the formal member of the International Federation of Operational Research Societies and its subsidiary, the Association of European Operational Research Societies.
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, and Italian 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, Michel Grabisch, and Silvano Martello.
Maria Grazia Speranza is an Italian applied mathematician and operations researcher. Her research involves the application of mathematical optimization to problems including portfolio optimization and the combination of inventory management with vehicle routing.
The Hellenic Operational Research Society (HELORS) is the official non-profit society for the scientific field of Operations Research in Greece. The society is a member of the European umbrella organization, the Association of European Operational Research Societies, and of the International Federation of Operational Research Societies.
Silvano Martello is an Italian scientist and engineer, and an Emeritus Professor of Operations Research at the University of Bologna. He is known for his research in Operations Research and Mathematical Programming. In particular, he made significant contributions in the areas of knapsack and assignment problems, packing problems, and vehicle routing. As of 2023, he published 160 peer-reviewed articles and was cited more than 7000 times.
