Package org.apache.lucene.search.spell

Suggest alternate spellings for words. Also see the spell checker Wiki page.

Interface Summary

Interface	Description
Dictionary	A simple interface representing a Dictionary.
StringDistance	Interface for string distances.
TermFreqIterator	Interface for enumerating term,weight pairs.

Class Summary

Class	Description
CombineSuggestion	A suggestion generated by combining one or more original query terms
DirectSpellChecker	Simple automaton-based spellchecker.
HighFrequencyDictionary	HighFrequencyDictionary: terms taken from the given field of a Lucene index, which appear in a number of documents above a given threshold.
JaroWinklerDistance	Similarity measure for short strings such as person names.
LevensteinDistance	Levenstein edit distance class.
LuceneDictionary	Lucene Dictionary: terms taken from the given field of a Lucene index.
LuceneLevenshteinDistance	Damerau-Levenshtein (optimal string alignment) implemented in a consistent way as Lucene's FuzzyTermsEnum with the transpositions option enabled.
NGramDistance	N-Gram version of edit distance based on paper by Grzegorz Kondrak, "N-gram similarity and distance".
PlainTextDictionary	Dictionary represented by a text file.
SpellChecker	Spell Checker class (Main class) (initially inspired by the David Spencer code).
SuggestWord	SuggestWord, used in suggestSimilar method in SpellChecker class.
SuggestWordFrequencyComparator	Frequency first, then score.
SuggestWordQueue	Sorts SuggestWord instances
SuggestWordScoreComparator	Score first, then frequency
TermFreqIterator.TermFreqIteratorWrapper	Wraps a BytesRefIterator as a TermFreqIterator, with all weights set to 1
WordBreakSpellChecker	A spell checker whose sole function is to offer suggestions by combining multiple terms into one word and/or breaking terms into multiple words.

Enum Summary

Enum	Description
SuggestMode	Set of strategies for suggesting related terms
WordBreakSpellChecker.BreakSuggestionSortMethod	Determines the order to list word break suggestions