The reciprocal preference relation (RPR) is a powerful tool to represent decision makers'
preferences in decision making problems. In recent years, various types of RPRs have been …

In decision making, situations where all experts are able to efficiently express their
preferences over all the available options are the exception rather than the rule. Indeed, the …

Renewable energy resources (RER) are globally emerging as an energy generation
alternative and latest research points out that these resources will have vital importance in …

A promising research area in the field of group decision making (GDM) is the study of
interpersonal influence and its impact on the evolution of experts' opinions. In conventional …

A theoretical framework to consensus building within a networked social group is put
forward. This article investigates a trust based estimation and aggregation methods as part …

Abstract In 2015, the United Nations announced the new Sustainable Development Goals
(SDGs) to safeguard the earth and end poverty as the new global sustainable development …

Reaching a high level of consensus among experts is critical in group decision making
problems. Usually, it is the moderator task to assure that the consensus process is carried …

As we may have a set of possible values when comparing alternatives (or criteria), the
hesitant fuzzy preference relation becomes a suitable and powerful technique to deal with …

When people make a decision, they are usually hesitant and irresolute for one thing or
another which makes it difficult to reach a final agreement. For example, two decision …

With the rapid growth of Web 2.0 technology, a new paradigm has been developed that
allows many users to participate in decision-making processes within online social …