ivory.smrf.model.score

Class BinaryTFScoringFunction

java.lang.Object

ivory.smrf.model.score.ScoringFunction

ivory.smrf.model.score.BinaryTFScoringFunction

public class BinaryTFScoringFunction
extends ScoringFunction

Computes score based on binary presence/absence of term.

Author:

Don Metzler

Constructor Summary

Constructors

Constructor and Description
BinaryTFScoringFunction()

Method Summary

Methods

Modifier and Type	Method and Description
float	getMaxScore() Returns the maximum possible score.
float	getMinScore() Returns the minimum possible score.
float	getScore(int tf, int docLen) Computes score.

Methods inherited from class ivory.smrf.model.score.ScoringFunction

configure, create, getGlobalEvidence, getGlobalTermEvidence, initialize

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryTFScoringFunction

public BinaryTFScoringFunction()

Method Detail

getMaxScore

public float getMaxScore()

Description copied from class: ScoringFunction

Returns the maximum possible score.

Overrides:

getMaxScore in class ScoringFunction

Returns:

maximum possible score

getMinScore

public float getMinScore()

Description copied from class: ScoringFunction

Returns the minimum possible score.

Overrides:

getMinScore in class ScoringFunction

Returns:

minimum possible score

getScore

public float getScore(int tf,
             int docLen)

Description copied from class: ScoringFunction

Computes score.

Specified by:

getScore in class ScoringFunction