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Weaviate Knowledge Cards

Unlock the power of vector search. Our guides will help you conquer vector embeddings and build better AI applications.

Hybrid Search
Fusion Algorithm

Fusion Algorithm

In hybrid search, the fusion algorithm combines results from keyword and vector searches into a final list of ranked search results. A popular fusion algorithm is called reciprocal ranked fusion, which uses the sum of the inverse of the position of the results. There are multiple types of fusion algorithms. Weaviate supports reciprocal rank fusion and relative score fusion.

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