Package org.apache.lucene.search.similarities

Class BasicModelBE

java.lang.Object
org.apache.lucene.search.similarities.BasicModel
org.apache.lucene.search.similarities.BasicModelBE
public class BasicModelBE extends BasicModel
Limiting form of the Bose-Einstein model. The formula used in Lucene differs slightly from the one in the original paper: F is increased by tfn+1 and N is increased by F

  • Constructor Summary

    Constructors
    Constructor
    Description
    BasicModelBE()
    Sole constructor: parameter-free

  • Method Summary

    Modifier and Type
    Method
    Description
    final 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

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

  • Constructor Details

    • BasicModelBE

      public BasicModelBE()
      Sole constructor: parameter-free

  • Method Details

    • 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