QUANTIFYING ALGORITHMIC FAIRNESS: A NOVEL PERSPECTIVE THROUGH UNCERTAINTY ESTIMATION

Dr. Clara Moreau; Prof. Julia Weber

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QUANTIFYING ALGORITHMIC FAIRNESS: A NOVEL PERSPECTIVE THROUGH UNCERTAINTY ESTIMATION

Dr. Clara Moreau ¹ , Prof. Julia Weber ¹

¹ Department of Computer Science, École Normale Supérieure, France

Issue Vol. 1 No. 01 (2024): Volume 01 Issue 01 --- Section Articles --- Published Date: 2024-12-30

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Abstract

The increasing deployment of machine learning (ML) systems in high-stakes domains necessitates robust fairness evaluation. Traditional fairness metrics primarily focus on statistical disparities in outcomes, often overlooking the model's confidence in its predictions, particularly for sensitive subgroups. This article proposes a novel framework for assessing algorithmic fairness by integrating uncertainty quantification (UQ) into the evaluation process. We delineate between aleatoric (data-inherent) and epistemic (model-inherent) uncertainties and explore various UQ techniques, including Bayesian Neural Networks, Monte Carlo Dropout, Deep Ensembles, and Deep Deterministic Uncertainty. We argue that disparate levels of uncertainty across demographic groups can serve as a powerful diagnostic tool, indicating issues such as data scarcity, representational bias, or inherent ambiguities within specific populations. By leveraging uncertainty as a fairness measure, we can identify subtle forms of discrimination, enhance model transparency, and enable more proactive and targeted bias mitigation strategies. This approach promises to yield more robust, trustworthy, and equitable ML systems.

Keywords

Algorithmic fairness, Uncertainty quantification, Deep learning, Bias detection

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QUANTIFYING ALGORITHMIC FAIRNESS: A NOVEL PERSPECTIVE THROUGH UNCERTAINTY ESTIMATION. (2024). European Journal of Emerging Artificial Intelligence, 1(01), 96-112. https://parthenonfrontiers.com/index.php/ejeai/article/view/127

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QUANTIFYING ALGORITHMIC FAIRNESS: A NOVEL PERSPECTIVE THROUGH UNCERTAINTY ESTIMATION

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