org.apache.lucene.search.similarities
Class BasicModelG
java.lang.Object
org.apache.lucene.search.similarities.BasicModel
org.apache.lucene.search.similarities.BasicModelG
public class BasicModelG
- extends BasicModel
Geometric as 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 1
and N
is increased by F
.
- WARNING: This API is experimental and might change in incompatible ways in the next release.
Constructor Summary |
BasicModelG()
Sole constructor: parameter-free |
Method Summary |
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 |
BasicModelG
public BasicModelG()
- Sole constructor: parameter-free
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
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