In group decision making (GDM), consensus level is regarded as a critical criterion to
measure the effectiveness and availability of the final group decision solution. Consensus …

Opinion polarization in a group is an important phenomenon in collective behaviour that has
become increasingly frequent during periods of social transition. In general, an opinion …

The consensus model with the minimum cost (or minimum adjustments or minimum
information loss) is a powerful decision tool for consensus building in the group decision …

Large-scale group decision making (LSGDM) is a powerful technology to deal with complex
decision problems. As decision makers (DMs) in LSGDM come from different fields with …

Trust and distrust relationships are both common in social interactions of group decision
making (GDM). Traditionally, trust/distrust levels are fixed in the opinion evolution process …

The Deffuant model has attracted much attention in the study of opinion dynamics. Here, we
propose a modified version by introducing into the model a heterogeneous convergence …

Group decision-making (GDM) implies a process of extracting wisdom from a group of
experts. In this study, a novel GDM model is proposed by applying the particle swarm …

Unlike many complex networks studied in the literature, social networks rarely exhibit
unanimous behavior, or consensus. This requires a development of mathematical models …

Opinion dynamics is a kind of collective decision-making process and focuses on the study
of evolution and formation of opinions within a human society. Particularly, bounded …

Social relationships are critical to the group decision-making (GDM) process, especially for
large-scale scenarios. Conventional GDM models have several drawbacks when applied to …