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[[analysis]]
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== Analysis Plugins
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Analysis plugins extend Elasticsearch by adding new analyzers, tokenizers,
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token filters, or character filters to Elasticsearch.
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[float]
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==== Core analysis plugins
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The core analysis plugins are:
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<<analysis-icu,ICU>>::
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Adds extended Unicode support using the http://site.icu-project.org/[ICU]
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libraries, including better analysis of Asian languages, Unicode
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normalization, Unicode-aware case folding, collation support, and
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transliteration.
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<<analysis-kuromoji,Kuromoji>>::
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Advanced analysis of Japanese using the http://www.atilika.org/[Kuromoji analyzer].
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<<analysis-phonetic,Phonetic>>::
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Analyzes tokens into their phonetic equivalent using Soundex, Metaphone,
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Caverphone, and other codecs.
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<<analysis-smartcn,SmartCN>>::
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An analyzer for Chinese or mixed Chinese-English text. This analyzer uses
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probabilistic knowledge to find the optimal word segmentation for Simplified
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Chinese text. The text is first broken into sentences, then each sentence is
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segmented into words.
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<<analysis-stempel,Stempel>>::
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Provides high quality stemming for Polish.
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[float]
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==== Community contributed analysis plugins
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A number of analysis plugins have been contributed by our community:
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* https://github.com/yakaz/elasticsearch-analysis-combo/[Combo Analysis Plugin] (by Olivier Favre, Yakaz)
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* https://github.com/synhershko/elasticsearch-analysis-hebrew[Hebrew Analysis Plugin] (by Itamar Syn-Hershko)
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* https://github.com/medcl/elasticsearch-analysis-ik[IK Analysis Plugin] (by Medcl)
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* https://github.com/medcl/elasticsearch-analysis-mmseg[Mmseg Analysis Plugin] (by Medcl)
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* https://github.com/chytreg/elasticsearch-analysis-morfologik[Morfologik (Polish) Analysis plugin] (by chytreg)
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* https://github.com/imotov/elasticsearch-analysis-morphology[Russian and English Morphological Analysis Plugin] (by Igor Motov)
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* https://github.com/medcl/elasticsearch-analysis-pinyin[Pinyin Analysis Plugin] (by Medcl)
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* https://github.com/duydo/elasticsearch-analysis-vietnamese[Vietnamese Analysis Plugin] (by Duy Do)
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* https://github.com/ofir123/elasticsearch-network-analysis[Network Addresses Analysis Plugin] (by Ofir123)
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* https://github.com/medcl/elasticsearch-analysis-string2int[String2Integer Analysis Plugin] (by Medcl)
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include::analysis-icu.asciidoc[]
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include::analysis-kuromoji.asciidoc[]
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include::analysis-phonetic.asciidoc[]
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include::analysis-smartcn.asciidoc[]
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include::analysis-stempel.asciidoc[]
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2016-01-28 06:02:30 -05:00
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