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Fig. 21.1
GDSS architecture
diagnosis and their application in computer-assisted consensus reaching is useful
to deal with the lack of sharp boundaries in the set of symptoms, diagnoses, and
phenomena of diseases (see [26]).
Since our basic assumption in this paper is that for effectively representing medi-
cal collective decision processes we have to make reference to the theoretical frame-
work of social choice theory and the related consensus models, the next session will
be devoted to a short overview of the issue.
21.3
Group Decision Making and Consensus
The construction of models for making decisions when a group of two or more de-
cision makers must aggregate their opinions (individual preferences) in order to get
