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<h1 title="Package" class="title">Package info.debatty.java.stringsimilarity</h1>
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<caption><span>Interface Summary</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Interface</th>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/CharacterSubstitutionInterface.html" title="interface in info.debatty.java.stringsimilarity">CharacterSubstitutionInterface</a></td>
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<div class="block">Used to indicate the cost of character substitution.</div>
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<th class="colFirst" scope="col">Class</th>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/Cosine.html" title="class in info.debatty.java.stringsimilarity">Cosine</a></td>
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<div class="block">The similarity between the two strings is the cosine of the angle between
these two vectors representation.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/Damerau.html" title="class in info.debatty.java.stringsimilarity">Damerau</a></td>
<td class="colLast">
<div class="block">Implementation of Damerau-Levenshtein distance with transposition (also
sometimes calls unrestricted Damerau-Levenshtein distance).</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/Jaccard.html" title="class in info.debatty.java.stringsimilarity">Jaccard</a></td>
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<div class="block">Each input string is converted into a set of n-grams, the Jaccard index is
then computed as |V1 inter V2| / |V1 union V2|.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/JaroWinkler.html" title="class in info.debatty.java.stringsimilarity">JaroWinkler</a></td>
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<div class="block">The Jaro–Winkler distance metric is designed and best suited for short
strings such as person names, and to detect typos; it is (roughly) a
variation of Damerau-Levenshtein, where the substitution of 2 close
characters is considered less important then the substitution of 2 characters
that a far from each other.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/Levenshtein.html" title="class in info.debatty.java.stringsimilarity">Levenshtein</a></td>
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<div class="block">The Levenshtein distance between two words is the minimum number of
single-character edits (insertions, deletions or substitutions) required to
change one string into the other.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/LongestCommonSubsequence.html" title="class in info.debatty.java.stringsimilarity">LongestCommonSubsequence</a></td>
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<div class="block">The longest common subsequence (LCS) problem consists in finding the longest
subsequence common to two (or more) sequences.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/MetricLCS.html" title="class in info.debatty.java.stringsimilarity">MetricLCS</a></td>
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<div class="block">Distance metric based on Longest Common Subsequence, from the notes "An
LCS-based string metric" by Daniel Bakkelund.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/NGram.html" title="class in info.debatty.java.stringsimilarity">NGram</a></td>
<td class="colLast">
<div class="block">N-Gram Similarity as defined by Kondrak, "N-Gram Similarity and Distance",
String Processing and Information Retrieval, Lecture Notes in Computer
Science Volume 3772, 2005, pp 115-126.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/NormalizedLevenshtein.html" title="class in info.debatty.java.stringsimilarity">NormalizedLevenshtein</a></td>
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<div class="block">This distance is computed as levenshtein distance divided by the length of
the longest string.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/OptimalStringAlignment.html" title="class in info.debatty.java.stringsimilarity">OptimalStringAlignment</a></td>
<td class="colLast">
<div class="block">Implementation of the the Optimal String Alignment (sometimes called the
restricted edit distance) variant of the Damerau-Levenshtein distance.</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/QGram.html" title="class in info.debatty.java.stringsimilarity">QGram</a></td>
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<div class="block">Q-gram distance, as defined by Ukkonen in "Approximate string-matching with
q-grams and maximal matches".</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/SorensenDice.html" title="class in info.debatty.java.stringsimilarity">SorensenDice</a></td>
<td class="colLast">
<div class="block">Similar to Jaccard index, but this time the similarity is computed as 2 * |V1
inter V2| / (|V1| + |V2|).</div>
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<td class="colFirst"><a href="../../../../info/debatty/java/stringsimilarity/WeightedLevenshtein.html" title="class in info.debatty.java.stringsimilarity">WeightedLevenshtein</a></td>
<td class="colLast">
<div class="block">Implementation of Levenshtein that allows to define different weights for
different character substitutions.</div>
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