README.md

kuromojure

Kuromojure is a general purpose, practical and concise Clojure wrapper around Kuromoji (version 0.7.7), a Japanese Morphological Analyser designed for search.

Warning: kuromojure is very unstable. The API will probably change some times in the near future, so visit this page often to get the updates.

Installing

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Add the following entry to the :dependencies vector of your project.clj file:

Crafting

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Tokenizer modes are :normal, :search and :extended. Omitting mode defaults to :normal.

user=> (use 'kuromojure)
user=> (with-tokenizer :search
         (-> "日本" tokenize first))
;;=> {:surface "日本"
;     :known true
;     :reading "ニッポン"
;     :features [:noun :proper :place :country nil nil "日本" "ニッポン" "ニッポン"]
;     :base-form "日本"
;     :part-of-speech [:noun :proper :place :country]}

Wishlist

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• Upgrade Kuromoji to version 0.8.0 (will release Kuromojure 0.8.0 then)

Repurposing the library

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The intermediate fns logic for translation applies here too. Use clj-tokenize to tokenize the text into `clj-token's and from there do the transformations you would like to the tokens:

(with-tokenizer
    (-> "日本" clj-tokenize first)) =>
;     {:surfaceForm "日本"
;      :known true
;      :reading "ニッポン"
;      :allFeatures "名詞,固有名詞,地域,国,*,*,日本,ニッポン,ニッポン"
;      :baseForm "日本"
;      :partOfSpeech "名詞,固有名詞,地域,国"
;      :position 0
;      :allFeaturesArray ["名詞" "固有名詞" "地域" "国" "*" "*" "日本" "ニッポン" "ニッポン"]
;      :class org.atilika.kuromoji.Token
;      :user false
;      :unknown false}

Contributions

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• Christian Moen continuously provided unvaluable information, including the Part of Speech translations to English from Lucene.
• Kuromoji example in Clojure by bouzuya

License

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Copyright (C) 2017 Carlos C. Fontes.

Double licensed under the Eclipse Public License (the same as Clojure) or the Apache Public License 2.0.