org.apache.lucene.search.similarities

Class BasicModelIne

java.lang.Object

org.apache.lucene.search.similarities.BasicModel

org.apache.lucene.search.similarities.BasicModelIne

public class BasicModelIne
extends BasicModel

Tf-idf model of randomness, based on a mixture of Poisson and inverse document frequency.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary

Constructors

Constructor and Description
BasicModelIne() Sole constructor: parameter-free

Method Summary

Methods

Modifier and Type	Method and Description
float	score(BasicStats stats, float tfn) Returns the informative content score.
String	toString() Subclasses must override this method to return the code of the basic model formula.

Methods inherited from class org.apache.lucene.search.similarities.BasicModel

explain

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicModelIne

public BasicModelIne()

Sole constructor: parameter-free

Method Detail

score

public final float score(BasicStats stats,
          float tfn)

Description copied from class: BasicModel

Returns the informative content score.

Specified by:

score in class BasicModel

toString

public String toString()

Description copied from class: BasicModel

Subclasses must override this method to return the code of the basic model formula. Refer to the original paper for the list.

Specified by:

toString in class BasicModel