net.ricecode.similarity

Class JaroWinklerStrategy

java.lang.Object

net.ricecode.similarity.JaroStrategy

net.ricecode.similarity.JaroWinklerStrategy

All Implemented Interfaces:

SimilarityStrategy

public class JaroWinklerStrategy
extends JaroStrategy
implements SimilarityStrategy

A strategy that uses the Jaro-Winkler Distance to calculate the similarity of two strings.

Author:

Ralph Allan Rice

See Also:

About Jaro-Winkler Distance

Constructor Summary

Constructors

Constructor and Description
JaroWinklerStrategy() Constructs a new JaroWinklerStrategy instance.
JaroWinklerStrategy(double scalingFactor) Constructs a new JaroWinklerStrategy instance.

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

JaroWinklerStrategy

public JaroWinklerStrategy(double scalingFactor)

Constructs a new JaroWinklerStrategy instance.

Parameters:

scalingFactor - The scaling factor between 0.00 and 0.25. If the scaling factor is greater than 0.25, the scaling factor is set to 0.25.

JaroWinklerStrategy

public JaroWinklerStrategy()

Constructs a new JaroWinklerStrategy instance.

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

Overrides:

score in class JaroStrategy

Parameters:

first - The first string to compare.

second - The second string to compare.

Returns:

A number between 0.0 and 1.0.