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Group Decision Methodology to Support Watershed Committees in Choosing Among Combinations of Alternatives

机译：支持分水岭委员会在备选方案组合中进行选择的群体决策方法

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摘要

A group decision-making methodology is proposed that permits each member of a group to state his or her preferences with respect to combinations of alternative solutions to a problem during a collective process to arrive at a compromise via a special voting procedure. The possible combinations of alternatives are systematically generated using an option form approach. Decision-makers (DMs) individually rank combinations based on their preferences by providing ordinal information in an interactive way, reducing the cognitive burden of making many comparisons or defining tradeoffs. In this approach, each DM expresses his or her preferences using logical preference statements regarding combinations of alternatives. A group recommendation is obtained after aggregating the final individual ranks through a voting procedure, and a voting support system, based on classification by quartiles. The voting procedure is simple and transparent for voters and does not present severe computational difficulties, thereby making this approach an appropriate tool for employment in the context of group-decision making. To illustrate its applicability, the proposed methodology is applied to a realistic decision problem faced by a watershed committee in Brazil.
机译：提出了一种群体决策方法，该方法允许一个群体的每个成员在集体过程中针对一个问题的替代解决方案的组合陈述自己的偏好，从而通过特殊的投票程序达成折衷方案。备选方案的可能组合是使用期权表格方法系统生成的。决策者（DM）通过以交互方式提供序数信息来根据其偏好分别对组合进行排名，从而减轻了进行多次比较或定义折衷的认知负担。在这种方法中，每个DM使用关于替代方案组合的逻辑偏好声明来表达他或她的偏好。根据四分位数的分类，通过投票程序和投票支持系统汇总最终个人排名后，即可获得小组推荐。投票程序对于选民而言是简单而透明的，并且不会带来严重的计算困难，因此使这种方法成为进行群体决策的合适工具。为了说明其适用性，将所提出的方法应用于巴西一个分水岭委员会面临的现实决策问题。

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