Schedule Overview
Tentative Program – IIR 2025
Wednesday, 3 September 2025
| Time | Event |
|---|---|
| 14:15 - 14:30 | Opening |
| 14:30 - 15:30 | Invited Talk by Maria Soledad Pera (50 min presentation + 10 min Q&A) Session Chair: Ludovico Boratto |
| 15:30 - 16:00 | Coffee Break |
| 16:00 - 17:30 | Session 1: Large Language Models and IR (12 min presentation + 5 min Q&A) Session Chair: Guglielmo Faggioli |
| 20:15 - 23:00 | Social Dinner |
Session 1 Papers:
- Marco Valentini, Antonio Ferrara, Tommaso Di Noia, Giuseppe Illuzzi, Pierangelo Colacicco. Leveraging LLM-Powered Multi-Agent Systems to Enhance Customer Experience in Complex Product Domains
- Francesco De Faveri, Guglielmo Faggioli, Nicola Ferro. Comparing LLMs and Traditional Privacy Measures to Evaluate Query Obfuscation Approaches
- Giuseppe Spillo, Cataldo Musto, Matteo Mannavola, Marco de Gemmis, Pasquale Lops, Giovanni Semeraro. Graph Augmentation with LLMs for Knowledge-Aware Recommender System
- Emiliana Murgia, Monica Landoni, Theo Huibers, Maria Soledad Pera. Empowered or Lost? How Search Tools and Social Networks Shape Teen Learning in an AI World
- Alessandro Petruzzelli, Cataldo Musto, Marco de Gemmis, Pasquale Lops, Giovanni Semeraro. Knowledge is Power: Boosting Recommender Systems by Infusing LLMs with Domain Expertise.
Thursday, 4 September 2025
| Time | Event |
|---|---|
| 09:30 - 10:30 | Invited Talk by Franco Maria Nardini (50 min presentation + 10 min Q&A) Session Chair: Mirko Marras |
| 10:30 - 11:00 | Coffee Break |
| 11:00 - 12:30 | Session 2: Recommender Systems: Models and Evaluation (12 min presentation + 5 min Q&A) Session Chair: Cataldo Musto |
| 12:30 - 14:00 | Lunch Break |
| 14:00 - 15:30 | Session 3: Conversational and Personalized Systems (12 min presentation + 5 min Q&A) Session Chair: Federico Siciliano |
| 15:30 - 16:00 | Coffee Break |
| 16:00 - 17:30 | Session 4: Neural IR, Federated Models, and Search Applications (12 min presentation + 5 min Q&A) Session Chair: Franco Maria Nardini |
Session 2 Papers:
- Federico Siciliano, Antonio Purificato, Filippo Betello, Nicola Tonellotto, Fabrizio Silvestri. Caser+ and CosRec+: Closing the Gap Between CNNs and Attention Models in SRS
- Michael Benigni, Maurizio Ferrari Dacrema, Dietmar Jannach. Diffusion Models for Recommendation: Reproducibility and Conceptual Mismatch
- Federico Siciliano, Giulia Di Teodoro, Nicola Tonellotto, Fabrizio Silvestri. Comparing Recommendation Losses under Negative Sampling
- Neda Afreen, Ludovico Boratto, Gianni Fenu, Mirko Marras, Alessandro Soccol. Effective and Transparent Course Recommendation through Causal Reasoning with Language Models
Session 3 Papers:
- Alessandro Francesco Maria Martina, Alessandro Petruzzelli, Cataldo Musto, Marco de Gemmis, Pasquale Lops, Giovanni Semeraro. Beyond Homogeneous Users: Simulating Diverse User Personas for Conversational Recommendation Datasets
- Pranav Kasela, Gabriella Pasi, Raffaele Perego. PARK: Personalized Academic Retrieval with Knowledge-graphs
- Marco Alessio, Simone Merlo, Tommaso Di Noia, Guglielmo Faggioli, Marco Ferrante, Nicola Ferro, Cristina Ioana Muntean, Franco Maria Nardini, Fedelucio Narducci, Raffaele Perego, Giuseppe Santucci, Nicola Viterbo. A Dataset for Joint Conversational Search and Recommendation
- Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Guido Rocchietti, Cosimo Rulli. Efficient Conversational Search via Topical Locality in Dense Retrieval
Session 4 Papers:
- Georgeta Bordea, Stéphane Campinas, Matteo Catena, Renaud Delbru. Siren Federate: Bridging Document, Relational, and Graph Models for Exploratory Graph Analysis
- Francesca Pezzuti, Sean MacAvaney, Nicola Tonellotto. Neural Web Crawling
- Marco Braga, Pranav Kasela, Alessandro Raganato, Gabriella Pasi. Investigating Task Arithmetic for Zero-Shot Information Retrieval
- Guglielmo Faggioli, Nicola Ferro, Raffaele Perego, Nicola Tonellotto. Counterfactual Dimension Importance Estimation (CoDIME) for Dense Information Retrieval
- Giulio D’Erasmo, Giovanni Trappolini, Nicola Tonellotto, Fabrizio Silvestri. Eclipse: Leveraging Pseudo-Irrelevance for Dimension Importance Estimation
Friday, 5 September 2025
| Time | Event |
|---|---|
| 09:00 - 10:30 | Session 5: Evaluation, Metrics, and Tools (12 min presentation + 5 min Q&A) Session Chair: Nicola Tonellotto |
| 10:30 - 11:00 | Coffee Break |
| 11:00 - 12:15 | Session 6: User Modeling, Evaluation and Fairness (12 min presentation + 5 min Q&A) Session Chair: Cristina Muntean |
| 12:15 - 12:30 | Closing & IIR 2026 Announcement |
Session 5 Papers:
- Francesco De Faveri, Guglielmo Faggioli, Nicola Ferro, Kalervo Järvelin. MDCU: A Multi-Dimensional Cumulative Utility Metric for Information Retrieval
- Silvio Martinico, Leonardo Delfino, Domenico Erriquez, Franco Maria Nardini, Rossano Venturini, Cosimo Rulli. kANNolo: Facilitating Research in Approximate Nearest Neighbors Search
- Andrea Pasin, Nicola Ferro. The KIMERA Infrastructure: Shifting from Evaluation-as-a-Service to Evaluation-in-the-Cloud
- Giuseppe Scarpi, Amir Khorrami Chokami, Diego Reforgiato. A Grading Methodology for E-commerce Reviews based on a Mixed Lexical-semantic Approach
- Ornella Irrera, Stefano Marchesin, Gianmaria Silvello. Enhancing Ground Truth Creation for IR Through Web-Based Collaborative Annotation
Session 6 Papers:
- Angelo Geninatti Cossatin. Lean and Green: Computational Efficiency and Nudging for Sustainable Fashion Recommendation
- Chen Amiraz, Florin Cuconasu, Simone Filice, Zohar Karnin. Beyond Relevance: Quantifying Distraction of Irrelevant Passages in RAG
- Salvatore Bufi, Vincenzo Paparella, Vito Walter Anelli, Tommaso Di Noia. Less Data, More Questions: Fairness and Accuracy Under Data Minimization in Recommender Systems
- Effrosyni Sokli, Pranav Kasela, Georgios Peikos, Gabriella Pasi. Investigating Mixture of Experts in Dense Retrieval