diff --git a/solutions/search/vector/knn.md b/solutions/search/vector/knn.md index cbfbf52aaf..efafe2d0ac 100644 --- a/solutions/search/vector/knn.md +++ b/solutions/search/vector/knn.md @@ -918,11 +918,7 @@ All forms of quantization will result in some accuracy loss and as the quantizat * `int4` requires some rescoring for higher accuracy and larger recall scenarios. Generally, oversampling by 1.5x-2x recovers most of the accuracy loss. * `bbq` requires rescoring except on exceptionally large indices or models specifically designed for quantization. We have found that between 3x-5x oversampling is generally sufficient. But for fewer dimensions or vectors that do not quantize well, higher oversampling may be required. -#### The `rescore_vector` option -```{applies_to} -stack: preview 9.0, ga 9.1 -``` -You can use the `rescore_vector` option to automatically perform reranking. When a rescore `oversample` parameter is specified, the approximate kNN search will: +You can use the `rescore_vector` [preview] option to automatically perform reranking. When a rescore `oversample` parameter is specified, the approximate kNN search will: * Retrieve `num_candidates` candidates per shard. * From these candidates, the top `k * oversample` candidates per shard will be rescored using the original vectors.