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elasticsearch/docs/reference/query-languages/query-dsl/vector-queries.md
Craig Taverner 94cad286bc
Restructure query-languages docs files for clarity (#124797) 
In a few previous PR's we restructured the ES|QL docs to make it possible to generate them dynamically.

This PR just moves a few files around to make the query languages docs easier to work with, and a little more organized like the ES|QL docs.

A bit part of this was setting up redirects to the new locations, so other repo's could correctly link to the elasticsearch docs.
2025-03-17 17:58:58 +01:00

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https://www.elastic.co/guide/en/elasticsearch/reference/current/vector-queries.html

Vector queries [vector-queries]

Vector queries are specialized queries that work on vector fields to efficiently perform semantic search.

knn query
A query that finds the k nearest vectors to a query vector for dense_vector fields, as measured by a similarity metric.
sparse_vector query
A query used to search sparse_vector field types.
semantic query
A query that allows you to perform semantic search on semantic_text fields.

Deprecated vector queries [_deprecated_vector_queries]

The following queries have been deprecated and will be removed in the near future. Use the sparse_vector query query instead.

text_expansion query
A query that allows you to perform sparse vector search on sparse_vector or rank_features fields.
weighted_tokens query
Allows to perform text expansion queries optimizing for performance.