Category: Master Thesis
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Analysing Dynamics Over Time of Bias in Recommender Systems
Author: Boris Staykov Supervisor: Julia Neidhardt, Co-Supervisor: Thomas E. Kolb Abstract Recommender systems play a pivotal role in personalizing user experiences across various domains such as e-commerce, news, and entertainment platforms. However, the presence of bias within these systems poses significant challenges, potentially leading to unfair treatment of users. This thesis addresses the critical issue…
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Evaluating the Fairness of News Recommender Algorithms Within Detected User Communities
Author: Bernhard Steindl Supervisor: Julia Neidhardt, Co-Supervisor: Mete Sertkan Abstract Recommender systems have become an essential part of our modern lives. Recommendation algorithms support users by recommending items tailored to their interests and by assisting in discovering new items. For example, some online news platforms use recommendation models to suggest news articles to users based…
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Exploring group fairness in news media recommendations: Algorithms, metrics, and grouping
Author: Blake Huebner Supervisor: Julia Neidhardt, Co-Supervisor: Thomas E. Kolb Abstract Beyond accuracy metrics, such as fairness and diversity, have become widely studied topics in recommender systems. Improving these metrics is important not only from an ethical and legal perspective, but can also improve overall user satisfaction. Although fairness and diversity metrics are widely discussed,…
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COVID-19 and Populism in Austrian News User Comments – A Machine Learning Approach
Author: Ahmadou Wagne Supervisor: Julia Neidhardt, Co-Supervisor: Thomas E. Kolb Abstract The COVID-19 pandemic and the resulting government measures have triggered a wave of protests and demonstrations in Austria. We saw some protestors resorting to populist rhetoric to express their dissatisfaction, which in some cases, led to anti-democratic tendencies. Populist talking points have not been…