io.lettuce.core.search.arguments.hybrid

Class Combiners.Linear

java.lang.Object

io.lettuce.core.search.arguments.hybrid.Combiner

io.lettuce.core.search.arguments.hybrid.Combiners.Linear

Enclosing class:

Combiners

public static class Combiners.Linear
extends Combiner

Linear combination combiner.

Combines text and vector scores using weighted average. Formula: combined_score = ALPHA * text_score + BETA * vector_score

Method Summary

Modifier and Type	Method and Description
Combiners.Linear	alpha(double alpha) Set the ALPHA parameter - weight for text search score.
Combiners.Linear	beta(double beta) Set the BETA parameter - weight for vector search score.
protected List<Object>	getOwnArgs() Get the combiner-specific arguments.
Combiners.Linear	window(int window) Set the WINDOW parameter - number of top results to consider from each ranking.

Methods inherited from class io.lettuce.core.search.arguments.hybrid.Combiner

as, build, getName

Methods inherited from class java.lang.Object

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

Method Detail

window

public Combiners.Linear window(int window)

Set the WINDOW parameter - number of top results to consider from each ranking.

Parameters:

window - number of top results

Returns:

this Linear instance

alpha

public Combiners.Linear alpha(double alpha)

Set the ALPHA parameter - weight for text search score.

Parameters:

alpha - weight for text score (0.0 to 1.0)

Returns:

this Linear instance

beta

public Combiners.Linear beta(double beta)

Set the BETA parameter - weight for vector search score.

Parameters:

beta - weight for vector score (0.0 to 1.0)

Returns:

this Linear instance

getOwnArgs

protected List<Object> getOwnArgs()

Description copied from class: Combiner

Get the combiner-specific arguments.

Specified by:

getOwnArgs in class Combiner

Returns:

list of combiner-specific arguments