Search Results for author: Siamak Ghodsi

Found 4 papers, 2 papers with code

Towards Cohesion-Fairness Harmony: Contrastive Regularization in Individual Fair Graph Clustering

1 code implementation16 Feb 2024 Siamak Ghodsi, Seyed Amjad Seyedi, Eirini Ntoutsi

Conventional fair graph clustering methods face two primary challenges: i) They prioritize balanced clusters at the expense of cluster cohesion by imposing rigid constraints, ii) Existing methods of both individual and group-level fairness in graph partitioning mostly rely on eigen decompositions and thus, generally lack interpretability.

Clustering Fairness +2

Adversarial Reweighting Guided by Wasserstein Distance for Bias Mitigation

no code implementations21 Nov 2023 Xuan Zhao, Simone Fabbrizzi, Paula Reyero Lobo, Siamak Ghodsi, Klaus Broelemann, Steffen Staab, Gjergji Kasneci

To balance the data distribution between the majority and the minority groups, our approach deemphasizes samples from the majority group.

Fairness

Affinity Clustering Framework for Data Debiasing Using Pairwise Distribution Discrepancy

1 code implementation2 Jun 2023 Siamak Ghodsi, Eirini Ntoutsi

This paper presents MASC, a data augmentation approach that leverages affinity clustering to balance the representation of non-protected and protected groups of a target dataset by utilizing instances of the same protected attributes from similar datasets that are categorized in the same cluster as the target dataset by sharing instances of the protected attribute.

Attribute Clustering +1

Context matters for fairness -- a case study on the effect of spatial distribution shifts

no code implementations23 Jun 2022 Siamak Ghodsi, Harith Alani, Eirini Ntoutsi

With the ever growing involvement of data-driven AI-based decision making technologies in our daily social lives, the fairness of these systems is becoming a crucial phenomenon.

Decision Making Fairness

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