Package dev.langchain4j.store.embedding

Class RelevanceScore

java.lang.Object

dev.langchain4j.store.embedding.RelevanceScore

public class RelevanceScore
extends Object

Utility class for converting between cosine similarity and relevance score.

Method Summary

Modifier and Type	Method	Description
static double	fromCosineSimilarity(double cosineSimilarity)	Converts cosine similarity into relevance score.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

fromCosineSimilarity

public static double fromCosineSimilarity(double cosineSimilarity)

Converts cosine similarity into relevance score.

Parameters:

cosineSimilarity - Cosine similarity in the range [-1..1] where -1 is not relevant and 1 is relevant.

Returns:

Relevance score in the range [0..1] where 0 is not relevant and 1 is relevant.