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Promoting Intersectional Fairness through Knowledge Distillation
Linköpings universitet, Institutionen för datavetenskap, Artificiell intelligens och integrerade datorsystem. Linköpings universitet, Tekniska fakulteten. (Reasoning and Learning Lab (ReaL))ORCID-id: 0000-0001-5307-997X
Northeastern University.
Linköpings universitet, Tekniska fakulteten. Linköpings universitet, Institutionen för datavetenskap, Människocentrerade system.ORCID-id: 0000-0001-6356-045X
Linköpings universitet, Institutionen för datavetenskap, Artificiell intelligens och integrerade datorsystem. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0002-9595-2471
2025 (Engelska)Ingår i: / [ed] Inês Lynce, Nello Murano, Mauro Vallati, Serena Villata, Federico Chesani, Michela Milano, Andrea Omicini, Mehdi Dastani, IOS Press , 2025, s. 3427-3434Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

As Artificial Intelligence-driven decision-making systems become increasingly popular, ensuring fairness in their outcomes has emerged as a critical and urgent challenge. AI models, often trained on open-source datasets embedded with human and systemic biases, risk producing decisions that disadvantage certain demographics. This challenge intensifies when multiple sensitive attributes interact, leading to intersectional bias, a compounded and uniquely complex form of unfairness. Over the years, various methods have been proposed to address bias at the data and model levels. However, mitigating intersectional bias in decision-making remains an under-explored challenge. Motivated by this gap, we propose a novel framework that leverages knowledge distillation to promote intersectional fairness. Our approach proceeds in two stages: first, a teacher model is trained solely to maximize predictive accuracy, followed by a student model that inherits the teacher's representational knowledge while incorporating intersectional fairness constraints. The student model integrates tailored loss functions that enforce parity in false positive rates and demographic distributions across intersectional groups, alongside an adversarial objective that minimizes protected attribute information within the learned representation. Empirical evaluation across multiple benchmark datasets demonstrates that we achieve a 52% increase in accuracy for multi-class classification and a 61% reduction in average false positive rate across intersectional groups and outperforms state-of-the-art models. This distillation-based methodology provides a more stable optimization opportunity than direct fairness approaches, resulting in substantially fairer representations, particularly for multiple sensitive attributes and underrepresented demographic intersections.

Ort, förlag, år, upplaga, sidor
IOS Press , 2025. s. 3427-3434
Nyckelord [en]
Data Fairness, Representation Learning, Intersectional Fairness
Nationell ämneskategori
Artificiell intelligens
Identifikatorer
URN: urn:nbn:se:liu:diva-219032DOI: 10.3233/FAIA251214OAI: oai:DiVA.org:liu-219032DiVA, id: diva2:2009024
Konferens
28th European Conference on Artificial Intelligence (ECAI), Bologna, Italy, 2025
Forskningsfinansiär
Knut och Alice Wallenbergs StiftelseELLIIT - The Linköping‐Lund Initiative on IT and Mobile CommunicationsTillgänglig från: 2025-10-25 Skapad: 2025-10-25 Senast uppdaterad: 2025-10-30

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Sikder, Md Fahimde Leng, DanielHeintz, Fredrik

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Artificiell intelligens och integrerade datorsystemTekniska fakultetenMänniskocentrerade system
Artificiell intelligens

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