... composed of trustworthy peers In this paper, we consider how to improve the trustworthiness of a group by including trustworthy peers in the group If the group we call a decision making committee ... schedule making or decision making in a group, only small number of peers may be required to be involved But in either case, by selecting group members according to their behaviors in the history, ... and are included in the group G At this point, the initiator peer p0 checks for the number of peers in the group G If more number of peers are needed to be included in the group G, the initiator...