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Please use this identifier to cite or link to this item: http://hdl.handle.net/2451/14537

Authors: Jarke, Matthias
Jelassi, M. Tawfik
Shakun, Melvin F.
Issue Date: May-1985
Publisher: Stern School of Business, New York University
Series/Report no.: IS-85-36
Abstract: MEDIATOR is a negotiation support system (NSS) based on evolutionary systems design (ESD) and database-centered implementation. It supports negotiations by consensus seeking through exchange of information and, where consensus is incomplete, by compromise. The negotiation problem is shown --graphically or as relational data in matrix form-- in three spaces as a mapping from control space to goal space (and through marginal utility functions) to utility space. Within each of these spaces the negotiation process is characterized by adaptive change, i.e., mappings of group target and feasible sets by which these sets are redefined in seeking a solution characterized by a single-point intersection between them. This concept is being implemented in MEDIATOR, a data-based micro-mainframe NSS intended to support the players and a human mediator in multi-player decision situations. Each player employs private and shared database views, using his/her own micro-computer decision support system enhanced with a communications manager to interact with the mediator DSS. Sharing of views constitutes exchange of information which can lead towards consensus. The human mediator can support compromise, as needed, through use of solution concepts and/or concession-making procedures in the NSS model base. As a concrete example, we demonstrate the use of the system for group car buying decisions.
URI: http://hdl.handle.net/2451/14537
Appears in Collections:IOMS: Information Systems Working Papers

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