Multiple Criteria Decision Analysis is one of the most popular problems in the globe due to its wide application in real-life situtations. Buying a new car, selecting appropriate supplier for a company, etc. can be defined as Multiple Criteria Decision Analysis problem. There are several methods to solve Multiple Criteria Decision Analysis problems yet the Ordinal Priority Approach (OPA) is one of the most recent MCDA methods.
The Ordinal Priority Approach is a novel Multiple Criteria Decision Analysis method which works based on the ordinal data. It can calculate the weights of experts, criteria, and alternatives at the same time. The OPA believes that human cannot provide precise values for comparing the experts, criteria, and alternatives. Therefore, using the preferences can be helpful to solve the problem. This software is ready to here: Web-Based. The important papers on the OPA can be found here.