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default values for BM25 Similarity ()

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assuming elasticsearch uses the lucene default values
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eratio08 2016-06-13 18:57:01 +02:00 committed by Clinton Gormley
parent 4c15d143d9
commit 26aacfff72
1 changed files with 2 additions and 1 deletions

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docs/reference/index-modules/similarity.asciidoc

@ -73,10 +73,11 @@ This similarity has the following options:
[horizontal] [horizontal]
`k1`:: `k1`::
Controls non-linear term frequency normalization Controls non-linear term frequency normalization
(saturation). (saturation). The default value is `1.2`.
`b`:: `b`::
Controls to what degree document length normalizes tf values. Controls to what degree document length normalizes tf values.
The default value is `0.75`.
`discount_overlaps`:: `discount_overlaps`::
Determines whether overlap tokens (Tokens with Determines whether overlap tokens (Tokens with