info.debatty.java.stringsimilarity

Class WeightedLevenshtein

java.lang.Object

info.debatty.java.stringsimilarity.WeightedLevenshtein

All Implemented Interfaces:

StringSimilarityInterface

public class WeightedLevenshtein
extends Object
implements StringSimilarityInterface

Implementation of Levenshtein that allows to define different weights for different character substitutions.

Author:

Thibault Debatty

Constructor Summary

Constructors

Constructor and Description
WeightedLevenshtein(CharacterSubstitutionInterface charsub)

Method Summary

Methods

Modifier and Type	Method and Description
double	distance(String s1, String s2) Generally, distance = 1 - similarity.
double	distanceAbsolute(String s1, String s2)
static void	main(String[] args)
double	similarity(String s1, String s2)

Methods inherited from class java.lang.Object

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

Constructor Detail

WeightedLevenshtein

public WeightedLevenshtein(CharacterSubstitutionInterface charsub)

Method Detail

main

public static void main(String[] args)

Parameters:

args - the command line arguments

distanceAbsolute

public double distanceAbsolute(String s1,
                      String s2)

similarity

public double similarity(String s1,
                String s2)

Specified by:

similarity in interface StringSimilarityInterface

Returns:

similarity between 0 (completely different) and 1 (s1 = s2)

distance

public double distance(String s1,
              String s2)

Description copied from interface: StringSimilarityInterface

Generally, distance = 1 - similarity. Some implementations can also provide a method distanceAbsolute

Specified by:

distance in interface StringSimilarityInterface

Returns:

distance between 0 (s1 = s2) and 1 (completely different)