Group decision support system: workflow and models in GDSS based on coordination MAS

GDSS is a popular and attractive topic in the decision field. It is reasonable to combine multi-agent technology and GDSS because they are both distributed systems and support interaction in group members. We define the workflow of group-decision as cognitive, group organizing, decision-making by coordination, feedback and adjust decision, conduce consensus decision by negotiation, knowledge management and repository evolution, explain the process of every part, and propose models to describe character of agent and issue in GDSS.