Operations research, operational research, or simply OR is an interdisciplinary science which deploys scientific methods like mathematical modeling, statistics, and algorithms to decision making in complex real world problems which are concerned with coordination and execution of the operations within an organization. The nature of organization is essentially immaterial. The eventual intention behind using this science is to elicit a best possible solution to a problem scientifically, which improve or optimize the performance of the organization.
The terms operations research and management science are often used synonymously. When a distinction is drawn, management science generally implies a closer relationship to the problems of business management.
More on [ Operations research ]
Industrial :: Engineering
Linear Programming and Optimization :: Software
Statistics :: Math
Technology :: Science
Industrial Engineering :: Technology

OR Network - Incorporates many of the relevant resources.
A Collection of Modelling and Simulation Resources - Annotated index.
Meta Description: [ A structured review of simulation software tools: languages, integratedmodel development environments, model and algorithm libraries. Tools and softwares for different modelling and simulation paradigms (discrete-event, continuous, web-based, etc) are listed. Each hyperlink contains a brief desc... ]
Automated Timetabling - Automated timetabling issues and methods.
Combinatorial and Integer Optimization - A good collection of readings on the subjects.
Decision Tree for Optimization Software - Identify potential solution algorithms for your problems.
Forecasting - The site contains a set of principles to guide forecasting.
Meta Description: [ The Forecasting site seeks to develop a set of principles to guide forecasting for problems in management, operations research, and the social sciences ]
Forecasting and Time Series on the Web - Contains a collection of useful links.
Game Theory - Provides an introduction to the field.
Global (and Local) Optimization - Archive of information on global and local optimization.
Global Optimization - Links to global optimization.
Meta Description: [ Research and Development, elaboration of novel methods of global optimization, artificial intelligence, nonlinear inverse problems, model-free optimization ]
INFORMS OR/MS Resource Collection - Edited by Michael Trick.
Meta Description: [ Extensive collection of links related to operations research and mathematical programming ]
Inventory Control Related Sites - Annotated index of sites for inventory (stock) control.
Meta Description: [ The inventory control forum is to help inventory specialists find, and trade information related to inventory control ]
Logistics: The WWW Virtual Library - All the logistic links you ever need.
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Mathematical Programming Glossary - Glossary used in the field of optimization.
Mind Tools - Decision theory and decision trees.
Meta Description: [ This article explains how to use Decision Tree Analysis. It gives extensive details on this excellent method that helps you to choose between several courses of action. ]
Operations Research Trade Page - A collection of links.
OpsResearch - Software, Books and Resources.
Meta Description: [ Operations Research - Software, Books and Resources ]
Optimization and Operations Research - A list maintained by Henry Wolkowicz.
Meta Description: [ mathematical link collection, by
Henry Wolkowicz ]
Optimization Center - Includes research, software, problem solving server and eprint guide page.
Meta Description: [ OTC is devoted to research in
numerical optimization, Internet and distributed computing,
problem-solving environments, and to the study of optimization ]
OR-Library - A library of problem instances covering various OR/MS areas.
Principles of Forecasting - Provides practical guide for forecasting.
Meta Description: [ The Forecasting site seeks to develop a set of principles to guide forecasting for problems in management, operations research, and the social sciences ]
Queueing Theory Basics - Outlines analytical models for customer waiting times for services.
Queueing Theory Page - Links to topics related to the subject.
Software Surveys - A collection of surveys of OR/MS software.
System and Simulation Links - A compilation of links on system modeling and simulation.
The Science and Technology of Decision-making - A good set of OR/MS applications.
Traveling Salesman Problem: ZIP-Method - A new solution algorithm for the TSP.
Meta Description: [ The Traveling-Salesman-Problem (TSP)
Here we introduce a new separation method (ZIP) that surpasses combinatorically
the traditional limit of optimum solutions for general TSP. Additional
examples contain a multitude of new ideas for further applications. ]
Unsolved Problems in OR - A good collection.
Vehicle Routing Problem - An introduction to the topic with an indexed links.
WORMS - World-wide-web for OR/MS.
Meta Description: [ WWW Site for Operations Research and Management Science ]
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