- Plugins and Integrations: other versions:
- Introduction to plugins
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- ICU analysis plugin
- Japanese (kuromoji) analysis plugin
kuromojianalyzerkuromoji_iteration_markcharacter filterkuromoji_tokenizerkuromoji_baseformtoken filterkuromoji_part_of_speechtoken filterkuromoji_readingformtoken filterkuromoji_stemmertoken filterja_stoptoken filterkuromoji_numbertoken filterhiragana_uppercasetoken filterkatakana_uppercasetoken filterkuromoji_completiontoken filter
- Korean (nori) analysis plugin
- Phonetic analysis plugin
- Smart Chinese analysis plugin
- Stempel Polish analysis plugin
- Ukrainian analysis plugin
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kuromoji_stemmer token filter
editkuromoji_stemmer token filter
editThe kuromoji_stemmer token filter normalizes common katakana spelling
variations ending in a long sound character by removing this character
(U+30FC). Only full-width katakana characters are supported.
This token filter accepts the following setting:
-
minimum_length -
Katakana words shorter than the
minimum lengthare not stemmed (default is4).
PUT kuromoji_sample { "settings": { "index": { "analysis": { "analyzer": { "my_analyzer": { "tokenizer": "kuromoji_tokenizer", "filter": [ "my_katakana_stemmer" ] } }, "filter": { "my_katakana_stemmer": { "type": "kuromoji_stemmer", "minimum_length": 4 } } } } } } GET kuromoji_sample/_analyze { "analyzer": "my_analyzer", "text": "コピー" } GET kuromoji_sample/_analyze { "analyzer": "my_analyzer", "text": "サーバー" }
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