Interplay between Federated Learning and Explainable Artificial Intelligence: a Scoping Review

• URL: http://arxiv.org/abs/2411.05874v2
• Date: Thu, 10 Apr 2025 10:21:56 GMT
• Title: Interplay between Federated Learning and Explainable Artificial Intelligence: a Scoping Review
• Authors: Luis M. Lopez-Ramos, Florian Leiser, Aditya Rastogi, Steven Hicks, Inga Strümke, Vince I. Madai, Tobias Budig, Ali Sunyaev, Adam Hilbert,
• Abstract summary: federated learning (FL) and explainable artificial intelligence (XAI) could allow training models from distributed data and explain their inner workings while preserving essential aspects of privacy.<n>This scoping review maps the publications that jointly deal with FL and XAI, focusing on publications that reported an interplay between FL and model interpretability or post-hoc explanations.
• Score: 1.6252563723817934
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The joint implementation of federated learning (FL) and explainable artificial intelligence (XAI) could allow training models from distributed data and explaining their inner workings while preserving essential aspects of privacy. Toward establishing the benefits and tensions associated with their interplay, this scoping review maps the publications that jointly deal with FL and XAI, focusing on publications that reported an interplay between FL and model interpretability or post-hoc explanations. Out of the 37 studies meeting our criteria, only one explicitly and quantitatively analyzed the influence of FL on model explanations, revealing a significant research gap. The aggregation of interpretability metrics across FL nodes created generalized global insights at the expense of node-specific patterns being diluted. Several studies proposed FL algorithms incorporating explanation methods to safeguard the learning process against defaulting or malicious nodes. Studies using established FL libraries or following reporting guidelines are a minority. More quantitative research and structured, transparent practices are needed to fully understand their mutual impact and under which conditions it happens.

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