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Choosing a Voting Procedure for a Group Decision Support System (GRUS)

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Systems, Procedures and Voting Rules in Context

Abstract

Group Decision Support Systems (GDSS) are tools that are being increasingly used in group decision-making processes. In this context, GRUS (GRoUp Support System) is a web-based system to support group decision processes which consider the individual preferences of different actors involved in the same problem. The system supports a multicriteria approach for solving the problem. One of the ways to aggregate individual preferences is by using a voting procedure. This Chapter presents how the framework for choosing a Voting Procedure can be implemented in this GRUS System in order to facilitate this process. Two different situations for applying the framework are considered. In the first one, the users evaluate the problem and apply the framework for choosing a voting procedure. In the second situation, the result of the framework applied with an expert is presented for the users as a generic voting procedure to aggregate the individual rankings of the decision-makers.

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Correspondence to Adiel Teixeira de Almeida .

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de Almeida, A.T., Morais, D.C., Nurmi, H. (2019). Choosing a Voting Procedure for a Group Decision Support System (GRUS). In: Systems, Procedures and Voting Rules in Context . Advances in Group Decision and Negotiation, vol 9. Springer, Cham. https://doi.org/10.1007/978-3-030-30955-8_18

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