A social network based group decision support system

Decision-making is a cognitive mental process which selects certain actions among several alternatives for a specific problem. This research provides a social network-based group decision model which accounts for collective intelligence. This work considers peers from a user's social network as experts in the group decision-making process and each peer has its own internet agent. The purpose is to conduct a virtual group decision-making process over the internet at anytime. Each agent can reason by enabling the case-based reasoning approach and discuss by the proposed decision model. The proposed approach attempts to improve efficiency and effectiveness for a quality decision, which is extremely critical and crucial. This work also designed a system which empowers collective intelligence from a social network enhances trustworthy group decisions of the social network ensures heterogeneity of selected experts diminishes the domination of certain experts.