Towards Explaining Query Expansion Performance in Information Retrieval
Query Expansion (QE) techniques have long been widely used in Information Retrieval (IR) to address the vocabulary mismatch problem. They remain relevant in modern retrieval systems, including those based on large language models (LLMs). However, no single QE method consistently outperforms others across all queries. T...
Sourav Saha, A. Dutta, Soumajit Pramanik et al.
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