SIGIR Forum
December 2025, Volume 59 Number 2
Table of Contents
SIGIR News
Letter from the Chair
Nicola Ferro
ACM SIGIR Annual Business Meeting 2025: Secretary’s Notes
Bhaskar Mitra
Papers
User Simulation in Practice: Lessons Learned from Three Shared Tasks
Marcel Gohsen, Zahra Abbasiantaeb, Mohammad Aliannejadi, Krisztian Balog, Timo Breuer, Jeffrey Dalton, Maik Fröbe, Christin Katharina Kreutz, Andreas Kruff, Simon Lupart, Nailia Mirzakhmedova, Harrisen Scells, Philipp Schaer, Benno Stein, Johannes Kiesel
Keynote Extended Abstracts
Understanding the Interplay between LLMs’ Utilisation of Parametric and Contextual Knowledge: A keynote at ECIR 2025
Isabelle Augenstein
About Authenticity in Information Retrieval: A Keynote at ICTIR 2025
Martin Potthast
Event Reports
Report on International Workshops on Investigating Learning During Web Search
Anett Hoppe, Ran Yu, Jiqun Liu
Report on The 1st Workshop on Human-Centered Recommender Systems (HCRS 2025) at TheWebConf 2025
Kaike Zhang, Yunfan Wu, Yougang Lyu, Du Su, Yingqiang Ge, Shuchang Liu, Qi Cao, Zhaochun Ren, Fei Sun
Report on the Fifteenth Temporal Web Analytics Workshop (TempWeb 2025) Held at The Web Conference, WWW2025
Marc Spaniol; Omar Alonso; Ricardo Baeza-Yates
Report on the First Ethical Web Science Workshop Held at The ACM Web Science Conference, WebSci’25
Oshani Seneviratne; Marc Spaniol; John S. Erickson; Gael Dias
Report on the 18th Round of NII Testbeds and Community for Information Access Research (NTCIR-18)
Chung-Chi Chen, Qingyao Ai, Shoko Wakamiya, Makoto P. Kato, Yiqun Liu, Charles L.A. Clarke, Noriko Kando
Report on the 3rd Symposium on NLP for Social Good (NSG 2025)
Procheta Sen, Tulika Saha, Danushka Bollegala
SIGIR 2025 Low Resource Environments Track Report
Catherine Chavula, Charles Clarke, Douglas W. Oard
Report on the Second Workshop on Simulations for Information Access (Sim4IA 2025) at SIGIR 2025
Philipp Schaer, Christin Katharina Kreutz, Krisztian Balog, Timo Breuer, Andreas Kruff, Mohammad Aliannejadi, Christine Bauer, Nolwenn Bernard, Nicola Ferro, Marcel Gohsen, Nurul Lubis, Saber Zerhoudi
Report on the Workshop on Explainability in Information Retrieval (WExIR) at SIGIR 2025
Maria Heuss, Catherine Chen, Avishek Anand, Carsten Eickhoff, Suzan Verberne
Report on the 9th Workshop on Search-Oriented Conversational Artificial Intelligence (SCAI 2025) at IJCAI 2025
Svitlana Vakulenko, Philipp Christmann, Isabel Feustel, Vaibhav Adlakha, Vahid Sadiri Javadi, Patricia Schmidtova
Report on the 16th Conference and Labs of the Evaluation Forum (CLEF 2025): Experimental IR Meets Multilinguality, Multimodality, and Interaction
Jorge Carrillo-de-Albornoz, Guglielmo Faggioli, Nicola Ferro, Alba García Seco de Herrera, Julio Gonzalo, Laura Plaza, Josiane Mothe, Florina Piroi, Paolo Rosso, Damiano Spina
Report on the 1st Workshop on Building Innovative Research Systems for Digital Libraries (BIRDS 2025) at TPDL 2025
Christin Katharina Kreutz, Hermann Kroll, Samy Ateia, Marc-Alexis Azaïs, Wolf-Tilo Balke, Jean-Baptiste de la Broise, Liana Ermakova, Jaap Kamps, Hajra Klair, Ari Kukkaro, Sanna Kumpulainen, Thomas Risse, Jian Wu
Report on the 34th ACM Conference on Information and Knowledge Management (CIKM 2025)
Carl Yang, Senjuti Basu Roy, Zhenhui Jessie Li, Jaap Kamps, Meeyoung Cha, Chanyoung Park, Noseong Park
Report on the 17th Meeting of Forum for Information Retrieval Evaluation (FIRE)
Thomas Mandl, Koyel Ghosh, Sukomal Pal, Krishna Tewari
Opinion Papers
The State of GenAI at a Top-Tier Computer Science Conference
Jaap Kamps, Carl Yang
Dissertation Abstracts
Text Information Retrieval in Tetun
Gabriel de Jesus
Safe, Efficient, and Robust Reinforcement Learning for Ranking and Diffusion Models
Shashank Gupta
Fairness-Aware Question Answering for Intelligent Assistants
Sachin Pathiyan Cherumanal
LLM-Based Long-Term Life Task Planning to Reduce Human Uncertainty
Ben Wang