Since energy consumption and its costs have recently rapidly increased, 'small scale' hydroplants (HP) are being widely used as energy sources. Our objective is to deal with the problem of small HP construction in a wide area covering many regions. The problem is to select some locations for...

PROMCALC & GAIA is the last development of the interactive decision support system based on the PROMETHEE and GAIA methodology. In the first section, the fundamental characteristics of multicriteria problems are recalled and requisites are formulated for an appropriate multicriteria decision aid...

Three novel types of sensitivity analysis are presented. They determine the following: 1) the sensitivity of a ranking to specific changes in the evaluations of all alternatives on certain criteria; 2) the influence of specific changes in certain criterion-scores of an alternative; 3) the minimum...

Radioactive waste management is an important issue for every electronuclear programme. A particular problem is to know how to finance the waste disposal: indeed, the time span between the electricity production itself and the final disposal in geological formations can represent decades. The...

Water resources issues in the Middle East are increasingly becoming major complicating factors in the socio-political problems of the region. With all the economic problems and water availability constraints facing decision makers, there are a wide variety of options available to the countries...

The determination of specialization degrees for hospitals has been considered by the Coordinating Office of an administrative region of Quebec, Canada. It soon appeared that several points of view had to be considered and that the use of a multicriteria decision aid method was well-adapted to...

A set of tools for group decision support are presented. Decision problems involving several decision makers, here-after called judges, that have to rank several alternatives, are considered. The toolbox is called JUDGES. It includes the four following procedures: &x02022; - a hierarchical...