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Strategic reasoning for socially good mechanisms

Project description

Tackling preference aggregation in multi-agent systems

In the intricate realm of multi-agent systems (MASs), the vexing challenge of aggregating conflicting individual preferences looms large, particularly in the face of self-interested agents. The quest for socially desirable outcomes becomes even more daunting when agents can manipulate the system by lying about their preferences. This hurdle extends to diverse real-world applications, from fair division protocols to secure voting systems. With the support of Marie Skłodowska-Curie Actions, the SEAL project leverages strategy logic to forge a logical framework for formally designing and verifying mechanisms that navigate the complexities of social choice within MAS. The project aims to enhance trust in machine-generated mechanisms. SEAL promises to revolutionise the landscape of computational social choice.

Objective

"The design and evaluation of mechanisms for aggregating preferences is a central problem in Multi-Agent Systems (MAS). In such setting, we need to be able to aggregate individual preferences, which are conflicting when agents are self-interested. More importantly, the mechanism should choose a socially desirable (or ""good"") outcome and reach an equilibrium despite the fact that agents can lie about their preferences. The real-world applications of designing and verifying mechanisms for social choice are manifold, including fair division protocols, secure voting, and truth-tracking via approval voting. Although logic-based languages have been widely used for verification and synthesis of MAS, the use of formal methods for reasoning about auctions under strategic behavior as well as automated mechanism design has not been much explored yet. An advantage in adopting such perspective lies in the high expressivity and generality of logics for strategic reasoning. Moreover, by relying on precise semantics, formal methods provide tools for rigorously analyzing the correctness of systems, which is important to improve trust in mechanisms generated by machines. This project aims to design a logical framework based on Strategy Logic (SL) for formally verifying and designing mechanisms for social choice. More specifically, we aim at (i) proposing an approach addressing the probabilistic setting (with Bayesian information, stochastic transitions and mixed strategies); (ii) identifying fragments of SL that enjoy both good complexity and satisfying expressive power for being applied to classes of mechanisms; (iii) modeling and reasoning about relevant problems from the state-of-the-art in computational social choice using the proposed logical framework; and (iv) methodically studying the obtained fragments in relation to the expressivity, model-checking and satisfiability problems."

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HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

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(opens in new window) HORIZON-MSCA-2022-PF-01

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Coordinator

UNIVERSITA DEGLI STUDI DI NAPOLI FEDERICO II
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 172 750,08
Address
CORSO UMBERTO I, 40
80138 Napoli
Italy

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Region
Sud Campania Napoli
Activity type
Higher or Secondary Education Establishments
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Total cost

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