The appearance of Web 2.0 and mobile technologies, the increase of users participating on the Internet and the high amount of available information have created the necessity of designing tools capable of making the most ...

The purpose of this work is to show a way to improve agreement in group decision problems. This work focuses his effort on the issue refers to assign different importance to every decision-maker. We propose as a novelty ...

This paper focuses on the aggregation operations inthe group decision-making model based on the conceptof majority opinion. The weighted-selective aggregatedmajority-OWA (WSAM-OWA) operator is proposed as anextension of ...

The Group Identification Problem (“Who is a J?”) introduced by Kasher and Rubinstein (1997) assumes a finite class of agents, each one with an opinion about the membership to a group J of the members of the society, ...

A group's collective intelligence reflects its capacity to perform well across a variety of cognitive tasks and it transcends the individual intelligence of its members. Previous research shows that group members' social ...

One of the main challenges that the appearance of Web 2.0 and the overall spreading of the Internet have generated is how to tackle with the high number of users and information available. This problem is also inherited ...

Due to the appearance of Web 2.0 technologies and smartphones, the amount of information available to carry out group decision-making processes has increased dramatically. Therefore, there is a need for group decision-making ...