Time	Title	Where
8:30-9:00	Registration (Maria Montesorigebouw Building)	MM00.029
9:00-9:15	Opening	MM00.029
9:15-10:15	Keynote: Thomas Demeester Multimodal Health Data: From Representation to Causal Understanding	MM00.029
10:15-10:45	Coffee Break	Grand Cafe Iris
10:45-12:00	Oral Session #1	MM00.029
10:45 Gijs Hendriksen Radboud University Selective Search as a First-Stage Retriever 10:55 Yumeng Wang Leiden University How role-play shapes relevance judgment in zero-shot LLM rankers 11:05 Bulat Khaertdinov Maastricht University VisualReF: Interactive Image Search Prototype with Visual Relevance Feedback 11:15 Huy-Son Nguyen TU Delft A Reproducibility Study of Product-side Fairness in Bundle Recommendation 11:25 Junchen Fu University of Glasgow Advancing Efficient and Effective Adaptation of Multimodal Foundation Models for Recommender Systems 11:35 Mohanna Hoveyda Radboud University Adaptive Orchestration of Modular Generative Information Access Systems 11:45 Jaap Kamps University of Amsterdam Context Embeddings for Efficient Answer Generation in Retrieval-Augmented Generation
12:00-13:00	Lunch	Grand Cafe Iris
13:00-14:00	Keynote: Asia Biega From regulations to implementations: Building information access systems in the public interest	MM00.029
14:00-15:00	Oral Session #2	MM00.029
14:00 Iva Gornishka & Laurens Samson Amsterdam Municipality Evaluating LLMs' environmental impact, performance and alignment with societal values 14:10 Farrukh Baratov Leiden University Breaking Bureaucracy: Benchmarking open-source LLMs on legal document review 14:20 Jens Leysen University of Antwerp What Data is Really Necessary? A Feasibility Study of Inference Data Minimization for Recommender Systems 14:30 Lifeng Han Leiden University, LUMC Summarisation of Clinical Documents using Perspective-Aware Iterative Self-Prompting (PA-ISP) with LLMs 14:40 Heydar Soudani Radboud University Why Uncertainty Estimation Methods Fall Short in RAG: An Axiomatic Analysis 14:50 Len Feremans University of Antwerp Scalable Evaluation of Rule-Based Recommender Systems: Algorithms and Benchmarks
15:00-15:30	Coffee Break	Grand Cafe Iris
15:30-16:00	Oral Session #3	MM00.029
15:30 Alain Starke University of Amsterdam Why we still need user studies: Using Energy Recommender System Research to Support Behavioral Change 15:40 Bruno Nadalic Sotic University of Amsterdam What Makes a User Click on a News Item? Understanding News Values of Visual Content in News Recommendation 15:50 Thorsten Krause Radboud University A Non-Parametric Choice Model That Learns How Users Choose Between Recommended Options
16:00-16:05	Closing Session	MM00.029
16:05-17:00	Poster Session	Grand Cafe Iris
Mert Yazan Hogeschool van Amsterdam The New Paradigm of Information Search: LLMs and Web Search in Tandem I-Fan Lin Leiden University TWIST: Training-free and Label-free Short Text Clustering through Iterative Vector Updating with LLMs Juan Pablo Bascur Leiden University Use of diverse data sources to control which topics emerge in a science map Jujia Zhao Leiden University Unifying Search and Recommendation in LLMs via Gradient Multi-Subspace Tuning Faegheh Hasibi Radboud University FACE: A Fine-grained Reference Free Evaluator for Conversational Recommender Systems Daria Alexander Radboud University In a Few Words: Comparing Weak Supervision and LLMs for Short Query Intent Classification Djoerd Hiemstra Radboud University Score-Fitted Indexes and Constant Length Indexes for Information Retrieval Harrie Oosterhuis Radboud University Optimizing Compound Retrieval Systems Heydar Soudani Radboud University Uncertainty Quantification for Retrieval-Augmented Reasoning Oscar Ramirez Radboud University Epistemic Click Models Martan van der Straaten Radboud University, Spinque Efficient Dutch Query-Focussed Summarization for Domain-Specific Data Maik Larooij University of Amsterdam A collection of FAIR Dutch Freedom of Information Act documents Yougang Lyu University of Amsterdam DeepShop: A Benchmark for Deep Research Shopping Agents
16:30-18:00	Drinks (Overlap with Poster Session)	Grand Cafe Iris

Oral presentations each have 8 minutes for their presentation.