Towards a quality assessment method for learning preference profiles in negotiation

Koen V. Hindriks, Dmytro Tykhonov

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Abstract

In automated negotiation, information gained about an opponent's preference profile by means of learning techniques may significantly improve an agent's negotiation performance. It therefore is useful to gain a better understanding of how various negotiation factors influence the quality of learning. The quality of learning techniques in negotiation are typically assessed indirectly by means of comparing the utility levels of agreed outcomes and other more global negotiation parameters. An evaluation of learning based on such general criteria, however, does not provide any insight into the influence of various aspects of negotiation on the quality of the learned model itself. The quality may depend on such aspects as the domain of negotiation, the structure of the preference profiles, the negotiation strategies used by the parties, and others. To gain a better understanding of the performance of proposed learning techniques in the context of negotiation and to be able to assess the potential to improve the performance of such techniques a more systematic assessment method is needed. In this paper we propose such a systematic method to analyse the quality of the information gained about opponent preferences by learning in single-instance negotiations. The method includes measures to assess the quality of a learned preference profile and proposes an experimental setup to analyse the influence of various negotiation aspects on the quality of learning. We apply the method to a Bayesian learning approach for learning an opponent's preference profile and discuss our findings.

Original languageEnglish
Title of host publicationAgent-Mediated Electronic Commerce and Trading Agent Design and Analysis - AAMAS Workshop, AMEC 2008, and AAAI Workshop, TADA 2008, Revised Selected Papers
PublisherSpringer/Verlag
Pages46-59
Number of pages14
ISBN (Print)3642152368, 9783642152368
DOIs
Publication statusPublished - 1 Jan 2010
Externally publishedYes
Event10th Workshop on Agent-Mediated Electronic Commerce, AMEC-X, Co-located with AAMAS 2008 and the 6th Workshop on Trading Agent Design and Analysis, TADA, Co-located with AAAI 2008 - Chicago, IL, United States
Duration: 14 Jul 200814 Jul 2008

Publication series

NameLecture Notes in Business Information Processing
Volume44 LNBIP
ISSN (Print)1865-1348

Conference

Conference10th Workshop on Agent-Mediated Electronic Commerce, AMEC-X, Co-located with AAMAS 2008 and the 6th Workshop on Trading Agent Design and Analysis, TADA, Co-located with AAAI 2008
CountryUnited States
CityChicago, IL
Period14/07/0814/07/08

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