net.ricecode.similarity

Class DiceCoefficientStrategy

java.lang.Object

net.ricecode.similarity.DiceCoefficientStrategy

All Implemented Interfaces:

SimilarityStrategy

public class DiceCoefficientStrategy
extends Object
implements SimilarityStrategy

A strategy that uses the Dice's Coefficient to calculate the similarity of two strings.

Author:

Ralph Allan Rice

See Also:

About Dice Coefficient

Constructor Summary

Constructors

Constructor and Description
DiceCoefficientStrategy()

Method Summary

Methods

Modifier and Type	Method and Description
double	score(String first, String second) Calculates the similarity score of objects, where 0.0 implies absolutely no similarity and 1.0 implies absolute similarity.

Methods inherited from class java.lang.Object

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

Constructor Detail

DiceCoefficientStrategy

public DiceCoefficientStrategy()

Method Detail

score

public double score(String first,
           String second)

Calculates the similarity score of objects, where 0.0 implies absolutely no similarity and 1.0 implies absolute similarity.

Specified by:

score in interface SimilarityStrategy

Parameters:

first - The first string to compare.

second - The second string to compare.

Returns:

A number between 0.0 and 1.0.