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48th ECIR 2026: Delft, The Netherlands - Part II
- Ricardo Campos

, Adam Jatowt
, Yanyan Lan
, Mohammad Aliannejadi
, Christine Bauer
, Sean MacAvaney
, Avishek Anand
, Zhaochun Ren
, Suzan Verberne
, Nan Bai
, Masoud Mansoury
:
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part II. Lecture Notes in Computer Science 16484, Springer 2026, ISBN 978-3-032-21299-3
Full Papers
- Theresia Veronika Rampisela

, Maria Maistro
, Tuukka Ruotsalo
, Christina Lioma
:
Measuring Individual User Fairness with User Similarity and Effectiveness Disparity. 3-21 - Muhammad Haris

, Hans Höft
, Markus M. Becker
, Markus Stocker
:
Nested Named Entity Recognition in Plasma Physics Research Articles. 22-37 - Lili Lu, Fabio Crestani

:
Exploring User Simulators in Conversational Search: A Comparison Between LLMs and Humans. 38-54 - Xiana Carrera

, Marcos Fernández-Pichel
, David E. Losada
:
Query Harmfulness Prediction (QHP): A New Challenge for Safer Retrieval Systems. 55-69 - Samaneh Mohtadi

, Kevin Roitero
, Stefano Mizzaro
, Gianluca Demartini
:
The Effect of Document Summarization on LLM-Based Relevance Judgments. 70-87 - Samaneh Mohtadi

, Gianluca Demartini
:
Query-Document Dense Vectors for LLM Relevance Judgment Bias Analysis. 88-103 - Manveer Singh Tamber, Suleman Kazi, Vivek Sourabh, Jimmy Lin:

Contrastive Learning Falls Short: Improving Dense Retrieval with Cross-Encoder Listwise Distillation and Synthetic Data. 104-121 - Daan L. Di Scala

, Maaike H. T. de Boer
:
Let Me Explain - Knowledge-Based Retrieval Augmented Generation for Agricultural Recommendation Explanations. 122-138 - Angelina Parfenova

, David Graus
, Jürgen Pfeffer:
From Quotes to Concepts: Axial Coding of Political Debates with Ensemble LMs. 139-154 - Payel Santra, Partha Basuchowdhuri, Debasis Ganguly:

Breaking Flat: A Generalised Query Performance Prediction Evaluation Framework. 155-171 - Hyewon Kim

, Hyun-Je Song
:
Improving Instruction-Aware Retrieval with Query-Preserving Regularization. 172-187 - Jia-Huei Ju

, François G. Landry
, Eugene Yang
, Suzan Verberne
, Andrew Yates
:
LANCER: LLM Reranking for Nugget Coverage. 188-203 - Chuang Li, Weida Liang, Hengchang Hu, See-Kiong Ng, Min-Yen Kan, Haizhou Li, Yang Deng:

Improving Conversational Recommendation with Contextual Adaptation of External Recommenders and LLM-Based Reranking. 204-221 - Jasmin S. Saxer, Jonathan Gerber

, Andreas Weiler
, Michael Grossniklaus
:
Website Segmentation Beyond Structure: A Benchmark on Functional and Digital Maturity Classes. 222-236 - Elias Lumer, Anmol Gulati, Vamse Kumar Subbiah, Pradeep Honaganahalli Basavaraju, James A. Burke:

MemTool: Optimizing Short-Term Memory Management for Dynamic Tool Retrieval and Invocation in LLM Agent Multi-turn Conversations. 237-253 - Donghuo Zeng

, Hao Niu, Yanan Wang, Masato Taya:
Learning Audio-Visual Embeddings with Inferred Latent Interaction Graphs. 254-270
Short Papers
- Steven Dong

, Yubao Tang, Maarten de Rijke
:
Multi-Step Semantic Reasoning in Generative Retrieval. 273-281 - Ruyin Li

, Xiaoyu Chen
:
SSEmb: A Joint Structural and Semantic Embedding Framework for Mathematical Formula Retrieval. 282-291 - Pablo Landrove

, Marcos Fernández-Pichel
, David E. Losada
:
On the Viability of Exploiting Large Language Models for Misinformation Annotation. 292-300 - Laura Dietz

, Bryan Li
, Gabrielle K. Liu
, Jia-Huei Ju
, Eugene Yang
, Dawn J. Lawrie
, William Gantt Walden, James Mayfield
:
Incorporating Q&A Nuggets Into Retrieval-Augmented Generation. 301-309 - Jeevan Thapa

, Sinan Zhao, Koyoshi Shindo:
Evolving Mixture of Low-Rank Experts for Continual User Modeling. 310-319 - Shani Goren, Oren Kalinsky, Tomer Stav, Nachshon Cohen, Yuri Rapoport, Yaron Fairstein, Ram Yazdi, Alexander Libov, Guy Kushilevitz:

Personalized Autocompletion of Interactions with LLM-Based Chatbots. 320-327 - Omed Abed

, Md. Samiul Haque
, Patrick-Benjamin Bök
, Matteo Große-Kampmann
:
Evaluating Large Language Models as Domain-Specific Retrieval Agents: A Study on Cybersecurity Challenge Benchmarks. 328-337 - Riccardo Zamolo

, Riccardo Lunardi
, Michael Soprano
, Gianluca Demartini
, Stefano Mizzaro
, Kevin Roitero
:
Large Language Models as Assessors: On the Impact of Relevance Scales. 338-348 - Gaia Simeoni

, Michael Soprano
, Riccardo Lunardi
, Kevin Roitero
, Stefano Mizzaro
:
Analyzing AI Evaluation Benchmarks Through Information Retrieval and Network Science. 349-359 - Gabrielle Kaili-May Liu

, Bryan Li
, Arman Cohan
, William Gantt Walden
, Eugene Yang
:
Investigating Retrieval-Augmented Generation Systems on Unanswerable, Uncheatable, Realistic, Multi-hop Queries. 360-370 - Saisab Sadhu

, Dwaipayan Roy, Tanmay Basu
:
DARE: A Dialectical Framework for Adversarial and Evidence-Aware RAG. 371-379 - Jiaqi Samantha Zhan, Crystina Zhang, Shengyao Zhuang, Xueguang Ma, Jimmy Lin:

Do We Still Need Text Features for Video Retrieval in the Era of Vision-Language Models? 380-387 - Hrishita Chakrabarti

, Maria Soledad Pera
:
Query Performance Prediction Using a Child-Focused Definition of Relevance. 388-399 - Amin Bigdeli

, Mert Incesu, Negar Arabzadeh
, Charles L. A. Clarke
, Ebrahim Bagheri
:
ReFormeR: Learning and Applying Explicit Query Reformulation Patterns. 400-408 - Tanmay Karmakar, Sourav Saha

, Debapriyo Majumdar, Surjyanee Halder:
One Word Is Enough: Minimal Adversarial Perturbations for Neural Text Ranking. 409-417 - Karla Schäfer

:
Text Vs. Speech? Detecting Audio Deepfakes on Instagram. 418-426 - Rodrigo Batista, Luís Filipe Cunha

, Purificação Silvano
, Nuno Guimarães
, Alípio Jorge
, Evelin Amorim
, Ricardo Campos
:
MiNER: A Two-Stage Pipeline for Metadata Extraction from Municipal Meeting Minutes. 427-435 - Watheq Mansour

, J. Shane Culpepper
, Joel Mackenzie
, Andrew Yates
:
Revisiting Human-vs-LLM Judgments Using the TREC Podcast Track. 436-443 - Sebastian Bruch

, Martino Fontana, Franco Maria Nardini
, Cosimo Rulli
, Rossano Venturini
:
Forward Index Compression for Learned Sparse Retrieval. 444-451 - David Otero

, Javier Parapar
:
LLM-Assisted Pseudo-Relevance Feedback. 452-459 - Amir Khosrojerdi

, Radin Hamidi Rad
, Ebrahim Bagheri
:
Adversarial Edge Perturbation Framework in Graph-Based Retrieval. 460-469 - Youssef Mohamed

, Mohamed Elhoseiny
, Thibault Formal, Nadezhda Chirkova
:
XProvence: Zero-Cost Multilingual Context Pruning for Retrieval-Augmented Generation. 470-480 - Mehmet Erdeniz Aydogdu, Yagmur Duru Tüfekçioglu, Ismail Sengor Altingovde

, Pinar Karagoz
, Ismail Hakki Toroslu
:
EmbMerge: A Transformer-Based Method for Fusing CDR Lists. 481-489 - Tz-Huan Hsu, Sian-Yao Huang, Che-Yu Lin, Cheng-Lin Yang:

Enhancing Attention-Based Context Attribution via Token Selection and Think-Twice Mechanism. 490-498 - Yurou Zhao

, Yiding Sun
, Ruidong Han, Fei Jiang, Wei Lin
, Jiaxin Mao
:
Beyond Persuasiveness: A User-Centric Evaluation Framework of Explanations for Food Recommendation. 499-507 - Nikita Severin, Danil Kartushov, Vladislav Urzhumov, Vladislav Kulikov, Oksana Konovalova, Alexey Grishanov, Anton Klenitskiy, Artem Fatkulin

, Alexey Vasilev, Andrey V. Savchenko, Ilya Makarov:
Pre-trained LLMs Meet Sequential Recommenders: Efficient User-Centric Knowledge Distillation. 508-517 - Payel Santra, Partha Basuchowdhuri, Debasis Ganguly:

Beyond Correlations: A Downstream Evaluation Framework for Query Performance Prediction. 518-526 - Weronika Lajewska

, Krisztian Balog
:
Trust Me on This: A User Study of Trustworthiness for RAG Responses. 527-536 - Debashish Chakraborty, Eugene Yang

, Daniel Khashabi
, Dawn J. Lawrie
, Kevin Duh
:
Principled Context Engineering for RAG: Statistical Guarantees via Conformal Prediction. 537-546 - Abbas Saleminezhad

, Negar Arabzadeh
, Seyed Mohammad Hosseini, Soosan Beheshti
, Ebrahim Bagheri
:
Structure-Aware Pre-retrieval Performance Prediction on Query Affinity Graphs. 547-556 - Amirabbas Afzali

, Amirreza Velae
, Iman Ahmadi
, Mohammad Aliannejadi
:
Controlling Gender Bias in Retrieval via a Backpack Architecture. 557-565 - Zeyuan Meng

, Zixuan Yi
, Iadh Ounis
:
Knowledge-Enhanced Multi-agent for LLM-Based Recommendation. 566-576 - Kimia Abedini

, Farzad Shami
, Gianmaria Silvello
:
From Single to Multi-agent Reasoning: Advancing GeneGPT for Genomics QA. 577-585 - Omar Adjali, Siting Liang, Omair Shahzad Bhatti

, Daniel Sonntag
:
Aligning Instruction-Tuned LLMs for Event Extraction with Multi-objective Reinforcement Learning. 586-595 - Aleksei Shestov, Anton Klenitskiy, Daria Denisova, Amurkhan Dzagkoev, Daniil Petrovich, Andrey V. Savchenko, Maksim Makarenko:

Topological Metric for Unsupervised Embedding Quality Evaluation. 596-605 - Arian Askari

, Chuan Meng
, Mohammad Aliannejadi
, Zhaochun Ren
, Evangelos Kanoulas
, Suzan Verberne
:
Generative Retrieval with Few-Shot Indexing. 606-614 - Edward Richards

, Javier Sanz-Cruzado
, Richard McCreadie
:
Correct but Incomplete: Why Chain-of-Thought Cannot Currently Support Auditable Reasoning. 615-623

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