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A practical dictionary of 512 AI, machine learning, mathematics, and programming terms from HerbDev’s AI Vocabulary app. Start with a definition, explore an example, then follow the concepts behind it.

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Reranking

Embeddings & Vector Search · Level 3 of 5

Reranking

Rescoring a retrieved candidate set using a second model or rule.

A reranker can improve ordering but cannot recover an item absent from its candidate set.

Example

A cross-encoder reorders the first fifty search results.

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Audio transcript

Reranking. Rescoring a retrieved candidate set using a second model or rule. A reranker can improve ordering but cannot recover an item absent from its candidate set. For example: A cross-encoder reorders the first fifty search results.

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