- IRLab is proud to have the following contributions accepted at SIGIR 2026: 49th International ACM Conference on Research and Development in Information Retrieval:
- Zahra Abbasiantaeb, Simon Lupart, Marcel Gohsen, Nailia Mirzakhmedova, Johannes Kiesel, Jeff Dalton, and Mohammad Aliannejadi. TREC iKAT 2025: A Test Collection for the Offline and Interactive Evaluation of Conversational Search
- Catherine Chen, Maria Heuss, Tanya Chowdhury, James Allan, Avishek Anand, Carsten Eickhoff, Suzan Verberne: Second Workshop on Explainability in Information Retrieval (WExIR)
- Philipp Christmann, Roxana Petcu, Sneha Singhania, Mohammad Aliannejadi, Marcel Gohsen, and Svitlana Vakulenko. The 10th Workshop on Search-Oriented Conversational Artificial Intelligence (SCAI’26)
- Arne Eichholtz, Yongkang Li, Jutte Vijverberg, Tobias Groot and Mohammad Aliannejadi. Hypencoder Revisited: Reproducibility and Analysis of Non-Linear Scoring for First-Stage Retrieval
- Stan Fris, Philipp Hager. Diagnosing Identifiability in Two-Tower Models for Unbiased Learning to Rank
- Marcel Gohsen, Nailia Mirzakhmedova, Zahra Abbasiantaeb, Johannes Kiesel, Simon Lupart, Jeffrey Dalton, Benno Stein, and Mohammad Aliannejadi. Sim.API: A Middleware to Simplify the Use of User Simulators for Shared Tasks in Conversational Search
- Philipp Hager, Onno Zoeter, and Maarten de Rijke. CLAX: Fast and Flexible Neural Click Models in JAX
- Mohanna Hoveyda, Panagiotis Eustratiadis, Arjen de Vries, and Maarten de Rijke. Reasoning for IR & IR for Reasoning.
- Shaojie Jiang, Svitlana Vakulenko, and Maarten de Rijke. Orcheo: A Modular Full-Stack Platform for Conversational Search
- Jia-Huei Ju, Eugene Yang, Trevor Adriaanse, Suzan Verberne, and Andrew Yates. Search for Coverage: Learning Coverage-Aware Retrieval with Augmented Sub-Question Answerability
- Jingwei Kang, Maarten de Rijke, and Harrie Oosterhuis. Following the Eye-Tracking Evidence: Established Web-Search Assumptions Fail in Carousel Interfaces
- Yongkang Li, Panagiotis Eustratiadis, and Evangelos Kanoulas. Spectral Tempering for Embedding Compression in Dense Passage Retrieval
- Teng Long and Andrew Yates. HALO: Hyperbolic Adaptation via LoRA Overlay for Hierarchy-Aware Cross-Modal Retrieval
- Pierre Sicco Lubitzsch, Maarten de Rijke, and Sebastian Schelter. ERASE – A Real-World Aligned Benchmark for Unlearning in Recommender Systems
- Michal Mazuryk, Fleur Dolmans, Louis Gehringer, Ina Klaric, Jia-Huei Ju and Mohammad Aliannejadi. The Powerless Noise: How Experimental Settings Shape the Reported Power of Noise
- Kidist Amde Mekonnen, Yubao Tang, and Maarten de Rijke. A Parametric Memory Head for Continual Generative Retrieval
- Kidist Amde Mekonnen, Yongkang Li, Yubao Tang, Simon Lupart, and Maarten de Rijke. Lost in Decoding? Reproducing and Stress-Testing the Look-Ahead Prior in Generative Retrieval
- Thong Nguyen, Cosimo Rulli, Franco Maria Nardini, Rossano Venturini, and Andrew Yates. Sparton: Fast and Memory-Efficient Triton Kernel for Learned Sparse Retrieval
- Jingfen Qiao, Gabrielle Poerwawinata, Thong Nguyen, Jia-Huei Ju, Eugene Yang, Evangelos Kanoulas, and Andrew Yates. Better than Dense? Investigating the Natural Backward Compatibility of Learned Sparse Representations
- Mahta Rafiee, Heydar Soudani, Zahra Abbasiantaeb, Mohammad Aliannejadi, Faegheh Hasibi, and Hamed Zamani. Total Recall QA: A Verifiable Evaluation Suite for Deep Research Agents
- Thilina C. Rajapakse and Maarten de Rijke. Reward Shaping for Robust Refusal in Small Language Models for Retrieval-Augmented Question Answering
- Oscar Ramirez Milian and Harrie Oosterhuis. An Epistemic Position-Based Click Model: From Interactions to Epistemic Distributions of Relevance and Bias
- Maarten de Rijke and Flora D. Salim. MANILA26: SIGIR 2026 Tutorial on Information Retrieval for Climate Change Impact
- Hongru Song, Yu-An Liu, Ruqing Zhang, Jiafeng Guo, Maarten de Rijke, Yixing Fan, and Xueqi Cheng. AdversarialCoT: Single-Document Retrieval Poisoning for LLM Reasoning
- Shuoqi Sun, Sara Allawati, Laura Dietz, Madhurima Khirbat, Bhaskar Mitra, Maarten de Rijke, and Damiano Spina. VulGen: International Workshop on Vulnerabilities in Generative Systems for Information Retrieval
- Chen Xu, Wei Chu, Wenyu Hu, Fengran Mo, Jun Xu, and Maarten de Rijke. The Attention Market: Interpreting Online Fair Re-ranking as Manifold Optimization under Walrasian Equilibrium