comirva.web.text.similarity
Class SimMeasure_CosineSim

java.lang.Object
  comirva.web.text.similarity.SimMeasure
      comirva.web.text.similarity.SimMeasure_CosineSim

public class SimMeasure_CosineSim
extends SimMeasure

Cosine distance.

Nested Class Summary

Nested classes/interfaces inherited from class comirva.web.text.similarity.SimMeasure

SimMeasure.SimType

Constructor Summary

SimMeasure_CosineSim(NormFunc normFunc)

Method Summary

protected float

getSimilarity_intern(float[] item1, float[] item2) Calculates and returns the [0,1]-normalized cosine similarity.

Methods inherited from class comirva.web.text.similarity.SimMeasure

getName, getSimilarity, getType

Methods inherited from class java.lang.Object

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

Constructor Detail

SimMeasure_CosineSim

public SimMeasure_CosineSim(NormFunc normFunc)

Method Detail

getSimilarity_intern

protected float getSimilarity_intern(float[] item1,
                                     float[] item2)
                              throws SizeMismatchException

Calculates and returns the [0,1]-normalized cosine similarity. between two float[] data vectors item1 and item2.

Specified by:

getSimilarity_intern in class SimMeasure

Parameters:

item1 - vector representing the first artist

item2 - vector representing the second artist

Returns:

a float value which is the cosine similarity between data vector item1 and item2

Throws:

SizeMismatchException