Publications

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Query Decomposition for RAG: Balancing Exploration-Exploitation

Roxana Petcu, Kellie Murray, Daniel Khashabi, Evangelos Kanoulas, Maarten de Rijke, David Lawrie, Kevin Duh

arXiv:2510.18633 (2025)

ChatR1: Reinforcement Learning for Conversational Reasoning and Retrieval Augmented Question Answering

Simon Lupart, Mohammad Aliannejadi, Evangelos Kanoulas

arXiv:2510.13312 (2025)

Interactive Image Retrieval Meets Query Rewriting with Large Language and Vision Language Models

Hongyi Zhu, Jia-Hong Huang, Yixian Shen, Stevan Rudinac, Evangelos Kanoulas

ACM TOMM 2025

Summarize-Exemplify-Reflect: Data-driven Insight Distillation Empowers LLMs for Few-shot Tabular Classification

Yifei Yuan, Jian Li, Weijia Zhang, Mohammad Aliannejadi, Evangelos Kanoulas, Rui Hu

arXiv:2508.21561 (2025)

Beyond Natural Language Plans: Structure-Aware Planning for Query-Focused Table Summarization

Weijia Zhang, Shuai Deng, Evangelos Kanoulas

arXiv:2507.22829 (2025)

A Comprehensive Taxonomy of Negation for NLP and Neural Retrievers

Roxana Petcu, Samarth Bhargav, Maarten de Rijke, Evangelos Kanoulas

Preprint (2025)

Examining the Persuasiveness of Text and Voice Agents

Hilde Voorveld, Angeliki Panteli, Yfke Schirris, Carola Ischen, Evangelos Kanoulas, Theo Lentz

Behaviour & Information Technology 44(12), 2913-2928, 2025

DiSCo: LLM Knowledge Distillation for Efficient Sparse Retrieval in Conversational Search

Simon Lupart, Mohammad Aliannejadi, Evangelos Kanoulas

ACM SIGIR 2025

PSCon: Product Search Through Conversations

Jie Zou, Mohammad Aliannejadi, Evangelos Kanoulas, Shuxi Han, Heli Ma, Zheng Wang, Yang Yang, Heng Tao Shen

ACM SIGIR 2025

Reproducibility, Replicability, and Insights into Visual Document Retrieval with Late Interaction

Jingfen Qiao, Jiahui Ju, Xinyu Ma, Evangelos Kanoulas, Andrew Yates

ACM SIGIR 2025

Unsupervised Corpus Poisoning Attacks in Continuous Space for Dense Retrieval

Yongkang Li, Panagiotis Eustratiadis, Simon Lupart, Evangelos Kanoulas

ACM SIGIR 2025

Why Uncertainty Estimation Methods Fall Short in RAG: An Axiomatic Analysis

Houssem Soudani, Evangelos Kanoulas, Faegheh Hasibi

arXiv:2505.07459 (2025)

Gradient Weight-normalized Low-rank Projection for Efficient LLM Training

Jia-Hong Huang, Yixian Shen, Hongyi Zhu, Stevan Rudinac, Evangelos Kanoulas

AAAI 2025

Leveraging Decoder Architectures for Learned Sparse Retrieval

Jingfen Qiao, Tri Nguyen, Evangelos Kanoulas, Andrew Yates

International Workshop on Knowledge-Enhanced Information Retrieval 2025

Reproducing HotFlip for Corpus Poisoning Attacks in Dense Retrieval

Yongkang Li, Panagiotis Eustratiadis, Evangelos Kanoulas

ECIR 2025

SOLID: Self-seeding and Multi-intent Self-instructing LLMs for Generating Intent-aware Information-Seeking Dialogs

Arian Askari, Roxana Petcu, Chuan Meng, Mohammad Aliannejadi, Amin Abolghasemi, Evangelos Kanoulas, Suzan Verberne

Findings of ACL: NAACL 2025

Agent-centric Information Access

Evangelos Kanoulas, Panagiotis Eustratiadis, Yongkang Li, Yuxuan Lyu, Vaishali Pal, Gabriella Poerwawinata, Jingfen Qiao, ...

arXiv:2502.19298 (2025)

Transformer-based Heart Language Model with Electrocardiogram Annotations

Stefan Tudjarski, Milos Gusev, Evangelos Kanoulas

Scientific Reports 15(1), 5522, 2025

PSCon: Toward Conversational Product Search

Jie Zou, Mohammad Aliannejadi, Evangelos Kanoulas, Shuxi Han, Heli Ma, Zheng Wang, Yang Yang, ...

arXiv:2502.13881 (2025)