MCDA tools and Risk Analysis: the Decision Deck Project
Abstract
Multiple Criteria Decision Aid (MCDA) aims at helping a decision maker (DM) in the representation of his preferences over a set of alternatives, on the basis of several criteria which are often contradictory. In addition to the presence of a DM, MCDA process requires a specification of criteria, alternatives and preferential information given by the DM. Hence many methods have been developed in order to solve MCDA problems (ELECTRE methods, AHP, etc.). The interconnexion between MCDA and risk analysis has been proved. MCDA methods can be used to solve risk analysis problems such as: * Computation of a risk scale: it can be done by using MCDA methods as ELECTRE TRI or by MACBETH methodology when the scale is quantitative; * The evaluation of remediation solutions after an accident. We present in this paper the Decision Deck (DD) project (http://www.decision-deck.org/) which aims at collaboratively developing Open Source software tools implementing MCDA. These tools constitute an open source platform available for all communities, not only for MCDA community. We show how MCDA methods implemented in Decision Deck can be useful for risk analysis, especially in risk assessment and remediation risk management. Thus, Decision Deck can be interpreted as a bridge between MCDA and risk analysis.
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