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Evaluating and Incentivizing Diverse Data Contributions in Collaborative Learning

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  • Baihe Huang
  • Sai Praneeth Karimireddy
  • Michael I. Jordan

Abstract

For a federated learning model to perform well, it is crucial to have a diverse and representative dataset. However, the data contributors may only be concerned with the performance on a specific subset of the population, which may not reflect the diversity of the wider population. This creates a tension between the principal (the FL platform designer) who cares about global performance and the agents (the data collectors) who care about local performance. In this work, we formulate this tension as a game between the principal and multiple agents, and focus on the linear experiment design problem to formally study their interaction. We show that the statistical criterion used to quantify the diversity of the data, as well as the choice of the federated learning algorithm used, has a significant effect on the resulting equilibrium. We leverage this to design simple optimal federated learning mechanisms that encourage data collectors to contribute data representative of the global population, thereby maximizing global performance.

Suggested Citation

  • Baihe Huang & Sai Praneeth Karimireddy & Michael I. Jordan, 2023. "Evaluating and Incentivizing Diverse Data Contributions in Collaborative Learning," Papers 2306.05592, arXiv.org.
  • Handle: RePEc:arx:papers:2306.05592
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    References listed on IDEAS

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    1. Sai Praneeth Karimireddy & Wenshuo Guo & Michael I. Jordan, 2022. "Mechanisms that Incentivize Data Sharing in Federated Learning," Papers 2207.04557, arXiv.org.
    2. Elisabetta Iossa & David Martimort, 2011. "The Theory of Incentives Applied to the Transport Sector," Chapters, in: André de Palma & Robin Lindsey & Emile Quinet & Roger Vickerman (ed.), A Handbook of Transport Economics, chapter 29, Edward Elgar Publishing.
    3. Partha Dasgupta & Eric Maskin, 1986. "The Existence of Equilibrium in Discontinuous Economic Games, I: Theory," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 53(1), pages 1-26.
    4. Partha Dasgupta & Eric Maskin, 1986. "The Existence of Equilibrium in Discontinuous Economic Games, II: Applications," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 53(1), pages 27-41.
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