How to install CaboCha, Mecab and corresponding Python development instruments on Ubuntu 18.04 LTS

1. Preparations

1. Open terminal and execute:

sudo apt-get install build-essential

2. Mecab

2. Next, run this command to install Mecab:

sudo apt-get install mecab libmecab-dev mecab-ipadic mecab-ipadic-utf8 mecab-jumandic mecab-jumandic-utf8

3. Mecab Python wrapper

3. Then you need to install mecab-python:

pip3 install mecab-python3

4. CRF++

4. Download the latest CRF++ archive from here: https://drive.google.com/drive/folders/0B4y35FiV1wh7fngteFhHQUN2Y1B5eUJBNHZUemJYQV9VWlBUb3JlX0xBdWVZTWtSbVBneU0
5. Go to the directory where the downloaded archive is located and then execute thess commands one by one:

tar xzvf CRF++-0.58.tar.gz
cd CRF++-0.58
./configure
make
sudo make install
sudo ldconfig

5. CaboCha

6. In this step you are ready to compile and install CaboCha. Download the latest version here: https://drive.google.com/drive/folders/0B4y35FiV1wh7cGRCUUJHVTNJRnM
7. Go to the directory with the archive and execute:

tar xjvf cabocha-0.69.tar.bz2
cd cabocha-0.69
./configure --with-charset=utf8
make
sudo make install

6. CaboCha Python wrapper

8. When you are in the /cabocha-0.69/ directory run these commands:

cd python
sudo python3 setup.py install

ERROR: Cabocha Python wrapper can't find libcabocha.so.5

If you encountered this kind of a problem, run these commands:

cd /usr/lib
sudo ln -s /usr/local/lib/libcabocha.so.5 libcabocha.so.5

This is it! You've successfully installed everything you need to use CaboCha and Mecab in your Python programming.

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References (including How-To on using CaboCha and Mecab in Python programming)

• MeCab: https://taku910.github.io/mecab/
• CaboCha: https://taku910.github.io/cabocha/
• https://irukanobox.blogspot.com/2019/09/pythoncabocha.html?m=1
• https://www.trifields.jp/install-cabocha-in-ubuntu-1038
• https://qiita.com/kazasiki/items/99505a5005aebe2efb7a
• https://rpubs.com/auroratsai/440718
• https://web.archive.org/web/20140928032627/gentlemachine.com/blog/2008/11/cabocha-learn.html
• https://www.trifields.jp/python-cabocha-select-dependency-structure-1043
• https://www.tech-tech.xyz/python-cabocha-mac.html
• https://qiita.com/ayuchiy/items/c3f314889154c4efa71e
• http://hiroshiu.blogspot.com/2018/08/basic-usage-of-cabocha-in-python.html
• http://hiroshiu.blogspot.com/2018/04/how-to-add-user-dictionary-to-mecab.html
• https://towardsdatascience.com/mecab-usage-and-add-user-dictionary-to-mecab-9ee58966fc6