ivory.pwsim.score

Class TfIdf

java.lang.Object

ivory.pwsim.score.ScoringModel

ivory.pwsim.score.TfIdf

public class TfIdf
extends ScoringModel

Constructor Summary

Constructors

Constructor and Description
TfIdf()

Method Summary

Methods

Modifier and Type	Method and Description
float	computeDocumentWeight(int dtf, int dlen)
float	computeQueryWeight(int qtf, int qlen)
float	computeScore(int qtf, int dtf, int qlen, int dlen)

Methods inherited from class ivory.pwsim.score.ScoringModel

computeDocumentWeight, computeQueryWeight, computeScore, setAvgDocLength, setDF, setDocCount

Methods inherited from class java.lang.Object

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

Constructor Detail

TfIdf

public TfIdf()

Method Detail

computeDocumentWeight

public float computeDocumentWeight(int dtf,
                          int dlen)

Specified by:

computeDocumentWeight in class ScoringModel

computeQueryWeight

public float computeQueryWeight(int qtf,
                       int qlen)

Specified by:

computeQueryWeight in class ScoringModel

computeScore

public float computeScore(int qtf,
                 int dtf,
                 int qlen,
                 int dlen)

Specified by:

computeScore in class ScoringModel