September 22, 2025
Session 1 (8:30 - 10:30)
8:30-8:45 Opening
8:45-9:15 Zuzanna Michalewicz, Karlijn Dinnissen, Eelco Herder and Hanna Hauptmann. (De)Composing the Algorithm: Explaining Music Recommender Systems to Artists for Understanding, Transparency, and Empowerment (FULL)
9:15-9:45 Maxime Manderlier, Fabian Lecron, Olivier Vu Thanh and Nicolas Gillis. From Latent Factors to Language: a User Study on LLM-generated Explanations for an Inherently Interpretable Matrix-based Recommender System (FULL)
9:45-10:00 Alex Jordan, Giovanni Scarso Borioli, Davide Sola and Roberto Quaglia. From Months to Moments: Knowledge-Graph-Grounded LLM Co-Pilots for Strategic Decision-Making (SHORT)
10:00-10:30 Ayoub El Majjodi, Alain D. Starke, Christoph Trattner, Alessandro Petruzzelli and Cataldo Musto. Nudging Healthy Choices: Leveraging LLM-Generated Hashtags and Explanations in Personalized Food Recommendations (FULL)
Coffee break (10:30 - 11:00)
Session 2 (11:00 - 12:30)
11:00-11:15 Sebastian Lubos, Thi Ngoc Trang Tran, Viet-Man Le, Damain Garber, Manuel Henrich, Reinhard Willfort and Jeremias Fuchs. Towards LLM-Enhanced Group Recommender Systems (SHORT)
11:15-11:30 Zilin Lin, Damian Trilling, Stuart Duncan, Kasper Welbers and Susan Vermeer. Surprise me! A Longitudinal User Study on Serendipitous Interface Design in News Recommender Systems (SHORT)
11:30-12:00 Bereket A. Yilma, Rully Agus Hendrawan, Peter Brusilovsky and Luis A. Leiva. ArtEx: An Interactive Visual Art Recommendation with Diversity and Popularity Control (FULL)
12:00-12:15 Esma Karahodža, Amra Delić and Francesco Ricci. Usability and Effectiveness of Bot-Assisted Group Decision Making (SHORT)
12:15-12:30 Sebastian Lubos, Alexander Felfernig, Damian Garber, Viet-Man Le and Thi Ngoc Trang Tran. Towards LLM-Based Usability Analysis for Recommender User Interfaces (SHORT)
12:30-12:35 Closing