Search Results for author: Arjun Roy

Found 11 papers, 2 papers with code

A Deep Ensemble Framework for Fake News Detection and Multi-Class Classification of Short Political Statements

no code implementations ICON 2019 Arjun Roy, Kingshuk Basak, Asif Ekbal, Pushpak Bhattacharyya

Fake news, rumor, incorrect information, and misinformation detection are nowadays crucial issues as these might have serious consequences for our social fabrics.

Fake News Detection Misinformation +1

FairBranch: Fairness Conflict Correction on Task-group Branches for Fair Multi-Task Learning

1 code implementation20 Oct 2023 Arjun Roy, Christos Koutlis, Symeon Papadopoulos, Eirini Ntoutsi

The generalization capacity of Multi-Task Learning (MTL) becomes limited when unrelated tasks negatively impact each other by updating shared parameters with conflicting gradients, resulting in negative transfer and a reduction in MTL accuracy compared to single-task learning (STL).

Fairness Multi-Task Learning

Multi-dimensional discrimination in Law and Machine Learning -- A comparative overview

no code implementations12 Feb 2023 Arjun Roy, Jan Horstmann, Eirini Ntoutsi

AI-driven decision-making can lead to discrimination against certain individuals or social groups based on protected characteristics/attributes such as race, gender, or age.

Attribute Decision Making +1

Learning to Teach Fairness-aware Deep Multi-task Learning

no code implementations16 Jun 2022 Arjun Roy, Eirini Ntoutsi

We introduce the L2T-FMT algorithm that is a teacher-student network trained collaboratively; the student learns to solve the fair MTL problem while the teacher instructs the student to learn from either accuracy or fairness, depending on what is harder to learn for each task.

Fairness Multi-Task Learning

Parity-based Cumulative Fairness-aware Boosting

no code implementations4 Jan 2022 Vasileios Iosifidis, Arjun Roy, Eirini Ntoutsi

Data-driven AI systems can lead to discrimination on the basis of protected attributes like gender or race.

Fairness

A survey on datasets for fairness-aware machine learning

1 code implementation1 Oct 2021 Tai Le Quy, Arjun Roy, Vasileios Iosifidis, Wenbin Zhang, Eirini Ntoutsi

For a deeper understanding of bias in the datasets, we investigate the interesting relationships using exploratory analysis.

Attribute BIG-bench Machine Learning +2

Multi-fairness under class-imbalance

no code implementations27 Apr 2021 Arjun Roy, Vasileios Iosifidis, Eirini Ntoutsi

Recent studies showed that datasets used in fairness-aware machine learning for multiple protected attributes (referred to as multi-discrimination hereafter) are often imbalanced.

Attribute Decision Making +1

Fair-Capacitated Clustering

no code implementations25 Apr 2021 Tai Le Quy, Arjun Roy, Gunnar Friege, Eirini Ntoutsi

To this end, we introduce the fair-capacitated clustering problem that partitions the data into clusters of similar instances while ensuring cluster fairness and balancing cluster cardinalities.

Clustering Fairness

A Deep Ensemble Framework for Fake News Detection and Classification

no code implementations12 Nov 2018 Arjun Roy, Kingshuk Basak, Asif Ekbal, Pushpak Bhattacharyya

Fake news, rumor, incorrect information, and misinformation detection are nowadays crucial issues as these might have serious consequences for our social fabrics.

Classification Fake News Detection +2

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