Lindera IPADIC NEologd Builder

IPADIC NEologd dictionary builder for Lindera. This project fork from fulmicoton's kuromoji-rs.

Install

% cargo install lindera-ipadic-neologd-builder

Build

The following products are required to build:

• Rust >= 1.46.0
• mecab >= 0.996 (for building a dictionary)

% cargo build --release

Dictionary version

This repository only tested data of mecab-ipadic-NEologd.

NOTE : This builder skip 2 words, カブシキガイシャ and タカラヅカカゲキダンキセイ, to avoid dictionary build failure. These words are SKIP_WORDS in src/lib.rs .

Building a dictionary

Building a dictionary with lindera-ipadic-neologd command:

% curl -L https://github.com/neologd/mecab-ipadic-neologd/archive/master.zip > ./mecab-ipadic-neologd-master.zip
% unzip -o mecab-ipadic-neologd-master.zip
% ./mecab-ipadic-neologd-master/bin/install-mecab-ipadic-neologd --create_user_dic -p $(pwd)/mecab-ipadic-neologd-master/tmp -y
% IPADIC_VERSION=$(find ./mecab-ipadic-neologd-master/build/mecab-ipadic-*-neologd-* -type d | awk -F "-" '{print $6"-"$7}')
% NEOLOGD_VERSION=$(find ./mecab-ipadic-neologd-master/build/mecab-ipadic-*-neologd-* -type d | awk -F "-" '{print $NF}')
% lindera-ipadic-neologd ./mecab-ipadic-neologd-master/build/mecab-ipadic-${IPADIC_VERSION}-neologd-${NEOLOGD_VERSION} lindera-ipadic-${IPADIC_VERSION}-neologd-${NEOLOGD_VERSION}

Dictionary format

Refer to the manual for details on the IPADIC dictionary format and part-of-speech tags.

Index	Name (Japanese)	Name (English)	Notes
0	品詞	part-of-speech
1	品詞細分類1	sub POS 1
2	品詞細分類2	sub POS 2
3	品詞細分類3	sub POS 3
4	活用形	conjugation type
5	活用型	conjugation form
6	原形	base form
7	読み	reading
8	発音	pronunciation

Tokenizing text using produced dictionary

You can tokenize text using produced dictionary with lindera command:

% echo "羽田空港限定トートバッグ" | lindera -d ./lindera-ipadic-2.7.0-20070801-neologd-20200130

羽田空港        名詞,固有名詞,一般,*,*,*,羽田空港,ハネダクウコウ,ハネダクーコー
限定    名詞,サ変接続,*,*,*,*,限定,ゲンテイ,ゲンテイ
トートバッグ    名詞,固有名詞,一般,*,*,*,トートバッグ,トートバッグ,トートバッグ
EOS

For more details about lindera command, please refer to the following URL:

• Lindera CLI

API reference

The API reference is available. Please see following URL:

• lindera-ipadic-neologd-builder