A conflict resolution approach for emergency decision of unconventional incidents

In multiple attribute group decision making (MAGDM) problems, the conflict-resolution process is a vital procedure to get an agreement with low degree of conflict. In this paper, we present a discrete model to support the conflict-resolution process. Firstly, according to the contribution index of each expert, a weight-updating model is constructed to reduce the effect of experts whose preferences are opposed to the group preference. In the preference adjustment process, an iterative algorithm is proposed to adjust the individual preferences which have the maximum deviation from the corresponding group ones to retain the original opinion of experts as much as possible. Then, the choice of the best alternative(s) from the group decision is obtained by the simple additive weighting (SAW) method. Finally, an illustrative example is given to verify the effectiveness of our model.