Core Concepts
The authors explore the accuracy-privacy trade-off in federated learning, deriving conditions for mutually beneficial protocols and optimal solutions for total client utility or end-model accuracy.
Abstract
The content delves into the challenges of balancing privacy and accuracy in federated learning. It discusses necessary and sufficient conditions for mutually beneficial protocols, optimal noise levels, and utility maximization strategies. The study covers mean estimation, convex optimization, and Bayesian estimation scenarios.
Key points include:
Importance of diverse data in machine learning.
Challenges of privacy protection techniques in federated learning.
Necessary conditions for mutually beneficial protocols.
Optimal noise levels for collaboration.
Utility maximization approaches based on symmetric preferences.
Comparison of personalized versus symmetric protocols.
Future research directions to address practical challenges in federated learning.
The study provides insights into optimizing federated learning protocols to achieve mutual benefits while addressing privacy concerns.
Stats
E((ˆµi − µ)2) = 1 / (γi + ρ)
εi ≤ καi
ξi = λi / (λi + κ2ρ2)
∆wm ≤ 1 / ((1 + χ(2 - χ(m - T)))LµΓ)
err2i ∝ 1 / (mΓ)
leak2i ∝ ln(n)^2 / (b^2m)
Quotes
"Collaboration becomes profitable with optimal noise levels."
"Personalized protocols outperform symmetric ones."
"Utility maximization strategies depend on accuracy preferences."