Category: Thesis

  • Exploring the Sentiment Patterns of Clustered COVID-19 News Articles on Mask Requirements: A Comparison with User Comments

    Author: Lukas Burtscher Supervisor: Julia Neidhardt, Co-Supervisor: Thomas E. Kolb Abstract Während die COVID-19-Pandemie weiterhin die Welt heimsucht, ist es für EntscheidungsträgerInnen und öffentliche GesundheitsbeamtInnen entscheidend, die öffentliche Stimmung und Einstellung gegenüber den Maßnahmen zur Kontrolle ihrer Ausbreitung zu verstehen. Diese Arbeit untersucht die Entwicklung der Stimmung bezüglich COVID-19-Maskenanforderungen von Januar 2020 bis Dezember 2021…

  • Content-Based Restaurant Recommendation Systems Using Textual and Visual Data

    Author: Dante Godolja Supervisor: Julia Neidhardt, Co-Supervisor: Thomas E. Kolb Abstract Content-based restaurant recommender systems use features such as cuisine type, price range, and location to suggest dining options to users. By analyzing the content of restaurants, these systems can generate recommendations. Current research explores ways to improve their effectiveness. In this thesis we explore…

  • 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,…

  • 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…

  • K-Means Clustering of Fashion Behavior: A Language-Focused Approach

    Author: Florian Dedov Supervisor: Julia Neidhardt, Co-Supervisor: Thomas E. Kolb Abstract Die Analyse von kundenbezogenen E-Commerce-Daten wird zunehmend wichtiger. Die meisten Analysen in diesem Bereich fokussieren sich auf die Produkte, wobei die Analyse des tatsächlichen Benutzerverhaltens oftmals zu kurz kommt. Um jedoch Kundengruppen besser ansprechen und wirklich verstehen zu können, was deren Präferenzen und Beweggründe…

  • Merging the Gap Between Automated and Human Centered Usability Testing

    Author: Can Özgür Yilmaz Supervisor: Allan Hanbury, Co-Supervisor: Julia Neidhardt Abstract In today’s world, usability testing is an essential aspect of the software developmentprocess. Conventional usability testing however is very time and resource consuming,because there needs to be a real person observing the user and trying to discover usabilityproblems from their observations. As a solution…