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Privacy-Preserving Cross-Domain Score Fusion for Distributed Public-Service Data: A Federated Architecture and Empirical Benchmark

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TL;DR

This paper presents a federated architecture for privacy-preserving, cross-domain data use across these four domains: per-domain differentially private federated averaging, a within-domain multimodal feature-fusion encoder using synthetic image-embedding features, a cross-domain score-fusion stage governed by a pseudonymous record-linkage model, and an embedded, sensitivity-tested explainability module.

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