Negotiating flexible agreements by combining distributive and integrative negotiation

  • Authors:

  • Quoc Bao Vo;Lin Padgham;Lawrence Cavedon

  • Affiliations:

  • School of Computer Science and Information Technology, RMIT University, GPO Box 2476V, Melbourne, VIC 3001, Australia. E-mail: {vqbao,linpa,lcavedon}@cs.rmit.edu.au;School of Computer Science and Information Technology, RMIT University, GPO Box 2476V, Melbourne, VIC 3001, Australia. E-mail: {vqbao,linpa,lcavedon}@cs.rmit.edu.au;School of Computer Science and Information Technology, RMIT University, GPO Box 2476V, Melbourne, VIC 3001, Australia. E-mail: {vqbao,linpa,lcavedon}@cs.rmit.edu.au

  • Venue:
  • Intelligent Decision Technologies
  • Year:
  • 2007

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Abstract

This paper presents an approach to automated negotiation between agents which attempts to combine the advantages of a co-operative value adding approach, with the reality that negotiating agents are also competing. We use the concept of a trusted mediator to facilitate openness regarding what one values, without disadvantaging oneself by revealing sensitive information such as a reserve price to the other party. Social science and management literature deals with negotiation between people, and so can be both more complex, and less well defined than automated negotiation between software agents. We take inspiration from the social science literature and develop a computational framework to support negotiating software agents. The framework includes recognition that agents are self interested, and therefore will manipulate the system to their advantage if possible. We include mechanisms to discourage this kind of manipulation in the form of a transaction cost associated with making only small concessions, and a bias in dividing the pie which is the gain from trade which favours the agent who is most ``honest'' in making offers.