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...

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...

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...