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Scalable Mechanism Design for the Procurement of Services with Uncertain Durations

Gerding, Enrico, Stein, Sebastian, Larson, Kate, Rogers, Alex and Jennings, Nicholas R. (2010) Scalable Mechanism Design for the Procurement of Services with Uncertain Durations At The Ninth International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010), Canada. 10 - 14 May 2010. , pp. 649-656.

Record type: Conference or Workshop Item (Paper)

Abstract

In this paper, we study a service procurement problem with uncertainty as to whether service providers are capable of completing a given task within a specified deadline. This type of setting is often encountered in large and dynamic multi-agent systems, such as computational Grids or clouds. To effectively deal with this uncertainty, the consumer may dynamically and redundantly procure multiple services over time, in order to increase the probability of success, while at the same time balancing this with the additional procurement costs. However, in order to do this optimally, the consumer requires information about the providers' costs and their success probabilities over time. This information is typically held privately by the providers and they may have incentives to misreport this, so as to increase their own profits. To address this problem, we introduce a novel mechanism that incentivises self-interested providers to reveal their true costs and capabilities, and we show that this mechanism is ex-post incentive compatible, efficient and individually rational. However, for these properties to hold, it generally needs to compute the optimal solution, which can be intractable in large settings. Therefore, we show how we can generate approximate solutions while maintaining the economic properties of the mechanism. This approximation admits a polynomial-time solution that can be computed in seconds even for hundreds of providers, and we demonstrate empirically that it performs as well as the optimal in typical scenarios. In particularly challenging settings, we show that it still achieves 97% or more of the optimal.

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More information

Published date: May 2010
Additional Information: Event Dates: May 10-14, 2010
Venue - Dates: The Ninth International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010), Canada, 2010-05-10 - 2010-05-14
Organisations: Agents, Interactions & Complexity

Identifiers

Local EPrints ID: 268463
URI: http://eprints.soton.ac.uk/id/eprint/268463
PURE UUID: 7f75c2bd-5b9d-4a14-bec2-b93f8b58ec2a

Catalogue record

Date deposited: 03 Feb 2010 15:46
Last modified: 18 Jul 2017 06:53

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Contributors

Author: Enrico Gerding
Author: Sebastian Stein
Author: Kate Larson
Author: Alex Rogers
Author: Nicholas R. Jennings

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