Reranking

Published: 23 August 2024
on channel: ML Engineer

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📚 Check out the article
/ reranking

💻 Jump into code:
https://github.com/SaschaHeyer/gen-ai...

What is a Ranker?
A Ranker is a language model that computes a relevance score using a document and a query. The score computed is high for a document with a contextually relevant query document pair and low for the opposite.

This score can be used to reorder documents to refine our top-n further.

Reranker can be used standalone, but we usually combine them with a vector search after retrieval. We'll discuss that later in the article.

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