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Evangelos Kanoulas

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#artificial intelligence Review Sep 2026

Overview of the TREC 2025 Million Large Language Models track

The TREC Million LLM Track operationalizes a retrieval-based paradigm in which an assistant agent infers expertise dynamically by examining models'observable behavior, providing the first large-scale benchmark for expertise retrieval in agentic AI.

Evangelos Kanoulas, Panagiotis Eustratiadis, Jamie Callan et al. · 0 citations

for Label-Free Evaluation of Image-to-Text Generation with Text-to-Image Diffusion Models

A novel evaluation framework called Image2Text2Image is proposed, which leverages diffusion models, such as Stable Diffusion or DALL-E, for text-to-image generation, and does not rely on human-annotated reference cap-tions, making it a valuable tool for assessing image captioning models.

Jia-Hong Huang, Hongyi Zhu, Yixian Shen et al. · 0 citations

Showdown 2024: Relevance Feedback Meets Conversational Search

This work extends the existing Exquisitor URF system with conversational search, and the user interface has been completely redesigned to prepare for future integration with conversational search and better support novice users.

O. Khan, Hongyi Zhu, Ujjwal Sharma et al. · 1 citation
Book Open access Jul 2026

Better than Dense? Investigating the Natural Backward Compatibility of Learned Sparse Representations

This work investigates whether Learned Sparse Retrieval (LSR) can mitigate this backward compatibility issue, and explores lightweight query adaptation methods including ranking fusion, representation fusion, and minimal-training adapters to further improve compatibility.

Jingfen Qiao, Gabrielle Poerwawinata, Thong Nguyen et al. · 0 citations

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