With the development of science and technology, large-scale group decision making based
on social network has become a crucial issue, and opinion leaders play an increasingly
important role in the process of opinion dissemination and information transmission by virtue
of their own influence, even affect the direction of decision-making. This paper proposes a
framework of consensus reaching process for large-scale groups based on opinion leaders.
In this framework, we first use the fast unfolding algorithm to divide the large-scale group into …

Consensus reaching process (CRP) is a dynamic and interactive method used to reach a
group decision. Now that social networks and mobile internet are prominent features in daily
life, more experts are able to take participate in decision making in the network and their
opinions are influenced by others in the decision-making process. Therefore, how to use the
difference of opinions and the relationships between experts to promote the consensus is an
important issue. This paper proposed a CRP approach for large-scale group decision …