Simon Lupart

2026

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TREC iKAT 2025: A Test Collection for the Offline and Interactive Evaluation of Conversational Search.
Zahra Abbasiantaeb|Anubhav Jangra|Nailia Mirzakhmedova|Xuanhui Wang|Simon Lupart|Adam Jatowt|Zahra Abbasiantaeb|Anubhav Jangra|Johannes Kiesel|Jian-Tao Sun|Jeffrey Dalton|Zheng Chen|Adam Jatowt|Simon Lupart|Marcel Gohsen|Xuanhui Wang|Nailia Mirzakhmedova|Johannes Kiesel|Jian-Tao Sun|Jeffrey Dalton|Zheng Chen|Mohammad Aliannejadi
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026
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Sim.API: A Middleware to Simplify the Use of User Simulators for Shared Tasks in Conversational Search.
Zahra Abbasiantaeb|Kyle Williams|Marcel Gohsen|Seyyed Hadi Hashemi|Johannes Kiesel|Nailia Mirzakhmedova|Imed Zitouni|Jeffrey Dalton|Zahra Abbasiantaeb|Kyle Williams|Seyyed Hadi Hashemi|Johannes Kiesel|Simon Lupart|Imed Zitouni|Jeffrey Dalton|Benno Stein|Mohammad Aliannejadi
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026
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Lost in Decoding? Reproducing and Stress-Testing the Look-Ahead Prior in Generative Retrieval.
Kidist Amde Mekonnen|Yongkang Li|Yubao Tang|Simon Lupart|Maarten de Rijke
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026

2025

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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
SIGIR Forum 2025 Volume 59 Issue 2
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Unsupervised Corpus Poisoning Attacks in Continuous Space for Dense Retrieval.
Yongkang Li|Panagiotis Eustratiadis|Simon Lupart|Evangelos Kanoulas
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Conversational Gold: Evaluating Personalized Conversational Search System Using Gold Nuggets.
Zahra Abbasiantaeb|Simon Lupart|Leif Azzopardi|Jeffrey Dalton|Mohammad Aliannejadi
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Reproducing NevIR: Negation in Neural Information Retrieval.
Coen van den Elsen|Francien Barkhof|Thijmen Nijdam|Simon Lupart|Mohammad Aliannejadi
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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DiSCo: LLM Knowledge Distillation for Efficient Sparse Retrieval in Conversational Search.
Simon Lupart|Mohammad Aliannejadi|Evangelos Kanoulas
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

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Report on the Search Futures Workshop at ECIR 2024.
Leif Azzopardi|Charles L. A. Clarke|Paul B. Kantor|Bhaskar Mitra|Johanne R. Trippas|Zhaochun Ren|Mohammad Aliannejadi|Negar Arabzadeh|Raman Chandrasekar|Maarten de Rijke|Panagiotis Eustratiadis|William R. Hersh|Jin Huang|Evangelos Kanoulas|Jasmin Kareem|Yongkang Li|Simon Lupart|Kidist Amde Mekonnen|Adam Roegiest|Ian Soboroff|Fabrizio Silvestri|Suzan Verberne|David Vos|Eugene Yang|Yuyue Zhao
SIGIR Forum 2024 Volume 58 Issue 1
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TREC iKAT 2024: The Interactive Knowledge Assistance Track Overview.
Mohammad Aliannejadi|Zahra Abbasiantaeb|Simon Lupart|Shubham Chatterjee|Jeffrey Dalton|Leif Azzopardi
Proceedings of the Thirty-Third Text REtrieval Conference, TREC 2024, Gaithersburg, MD, USA, November 18-22, 2024
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IRLab@iKAT24: Learned Sparse Retrieval with Multi-aspect LLM Query Generation for Conversational Search.
Simon Lupart|Zahra Abbasiantaeb|Mohammad Aliannejadi
Proceedings of the Thirty-Third Text REtrieval Conference, TREC 2024, Gaithersburg, MD, USA, November 18-22, 2024

2023

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MS-Shift: An Analysis of MS MARCO Distribution Shifts on Neural Retrieval.
Simon Lupart|Thibault Formal|Stéphane Clinchant
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part I
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A Study on FGSM Adversarial Training for Neural Retrieval.
Simon Lupart|Stéphane Clinchant
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part II
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Towards Query Performance Prediction for Neural Information Retrieval: Challenges and Opportunities.
Guglielmo Faggioli|Thibault Formal|Simon Lupart|Stefano Marchesin|Stéphane Clinchant|Nicola Ferro|Benjamin Piwowarski
Proceedings of the 2023 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2023, Taipei, Taiwan, 23 July 2023
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Benchmarking Middle-Trained Language Models for Neural Search.
Hervé Déjean|Stéphane Clinchant|Carlos Lassance|Simon Lupart|Thibault Formal
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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A Static Pruning Study on Sparse Neural Retrievers.
Carlos Lassance|Simon Lupart|Hervé Déjean|Stéphane Clinchant|Nicola Tonellotto
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023