一作SIGIR 2026Poster· Information Retrieval (Short)
Auditing Query Drift: Do Users Actually Benefit from Pseudo-Relevance Feedback?
Zeyan Liang · Graham McDonald · Iadh Ounis
摘要
Pseudo-Relevance Feedback (PRF) aims to improve performance, but it can suffer from query drift, creating asymmetric impacts across queries. Current Selective PRF (sPRF) strategies attempt to mitigate this by predicting when PRF will help, but they rely on offline metrics that may not reflect act...