News

Stay updated on our lab’s latest activities and projects through our news section featuring insightful blogs.

  • Invited Talk by Michael Ekstrand

    Title: Where are the People? Political, Ethical, and Humanist Foundations for Information AccessDate: Thursday, September 18th, 2025 18:00Location:  FAV 1 Helmut Veith, Favoritenstraße 9-11, 1040 Vienna Abstract: Modern information access technologies have broadened both access to information and the ability to disseminate new information. In this talk, he takes up the question of why we develop and deploy…

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  • Choice-based preference elicitation to reduce the cold start problem of a leisure activities recommender in a mobile app

    Author: Andreas Fink Supervisor: Julia Neidhardt Abstract Early stages of user interactions pose a significant challenge for recommender systems, particularly due to the cold start problem. This issue arises when new users or items lack historical data, making it difficult to generate personalized recommendations. This thesis investigates the effectiveness of four visual preference elicitation methods…

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  • Exploration of Intermediate Fusion Strategies Between Graph and Text Modalities in Session-Based Recommender Systems

    Author: Roman Grebnev Supervisor: Julia Neidhardt, Co-Supervisor: Ahmadou Wagne Abstract Online platforms often recommend items to users based on their current browsing activity, especially when long-term user history isn’t available. These Session-Based Recommender Systems typically rely on the sequence of items a user interacts with. However, just looking at the sequence (like a graph of…

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