elasticsearch-js/docs/reference/api/QueryDslRankFeatureQuery.md

Interface QueryDslRankFeatureQuery

Name	Type	Description
field	Field	rank_feature or rank_features field used to boost relevance scores.
linear	QueryDslRankFeatureFunctionLinear	Linear function used to boost relevance scores based on the value of the rank feature field.
log	QueryDslRankFeatureFunctionLogarithm	Logarithmic function used to boost relevance scores based on the value of the rank feature field.
saturation	QueryDslRankFeatureFunctionSaturation	Saturation function used to boost relevance scores based on the value of the rank feature field.
sigmoid	QueryDslRankFeatureFunctionSigmoid	Sigmoid function used to boost relevance scores based on the value of the rank feature field.