Energy has become perhaps the main theme for performance evaluation using Data Envelopment Analysis models, motivated by the urgent need to regulate the services provided by utilities. However, the formulation of models, an integral part of quantitative modeling, has been relegated to a mere selection of variables in available data banks . It could profit from problem structuring methods that can contribute to contextualize, criticize and validate the proposed models for decision support by the regulatory agencies, as well as for guidance of industry entrepreneurs.

Moreover, and whereas the structuring methods make use of graphical representations of knowledge, there is a large space to use of tools such as concept maps, thinking maps and cognitive maps.

Finally other multidisciplinary problems like assessment of alternative energy sources have been tackled by post graduation research in COPPE/UFRJ. 

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