Reciprocal rank fusion
Combining ranked lists by adding scores based on each item’s position.
What Reciprocal rank fusion does not show
It works without comparable raw scores but does not judge source quality by itself.
Related terms in Retrieval engineering
How pages become chunks, vectors and candidates inside an answer engine, and why being retrieved is not being cited.
Corpus · Document ingestion · Data connector · Parsing · OCR · Layout-aware parsing · Semantic chunking · Fixed-size chunking · Chunk overlap · Parent-child retrieval · Metadata filtering · Vector database · Vector index · Sparse vector · Dense vector · Cosine similarity · Dot-product similarity · Approximate nearest neighbor · HNSW · Top-k · Retrieval recall · Retrieval precision · Mean reciprocal rank · Normalized discounted cumulative gain · Relevance score · Candidate generation · Query rewriting · Query expansion · HyDE · Multi-query retrieval · Late interaction · Lexical retrieval · Semantic search · Exact-match retrieval · Freshness boosting · Authority weighting · Source diversity · Deduplication · Near-duplicate detection · Semantic cache · Retrieval latency · Retrieval cutoff · Citation mapping · Answer synthesis
Questions about Reciprocal rank fusion
What is Reciprocal rank fusion?
Combining ranked lists by adding scores based on each item’s position.
What does Reciprocal rank fusion not show or guarantee?
It works without comparable raw scores but does not judge source quality by itself.
Which area of the glossary does Reciprocal rank fusion belong to?
Retrieval engineering: How pages become chunks, vectors and candidates inside an answer engine, and why being retrieved is not being cited.
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See it in the full glossary · 751 terms across 19 areas.