Tag
rank-fusion
- Jun 26, 2025 Hybrid Lexical and Dense Retrieval: Fusing Two Ranked Lists Why BM25 and embeddings fail on different queries, how reciprocal rank fusion combines their lists without comparable scores, and where the fusion still loses. inference systems
- May 23, 2025 Score Normalization and Rank Fusion Across Retrievers Why scores from different retrievers cannot be compared, how score distributions are normalized, and what reciprocal rank fusion gives up to avoid the problem. information retrieval