How To Install unidic-mecab on Ubuntu 18.04
Introduction
In this tutorial we learn how to install unidic-mecab on Ubuntu 18.04.
What is unidic-mecab
unidic-mecab is:
unidic-mecab is a dictionary for Mecab (Japanese morphological analysis implementation), based on corpus of Contemporary Written Japanese (upstream publish it as unidic-cwj).
- All entries are based on the definition of “SUW (short-unit word)” that is specified by NINJAL (The National Institute for Japanese Language and Linguistics), which provides word segmentation in uniform size suited for linguistic research.
- It has three-layered structure with
- lemma
- form
- spelling And it can provide a clear distinction of two types of word variant: spelling variant and form variant.
- It is useful for research of Speech processing since it can be added accent and shift in sound information.
There are three methods to install unidic-mecab on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install unidic-mecab Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install unidic-mecab using apt-get by running the following command:
sudo apt-get -y install unidic-mecab
Install unidic-mecab Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install unidic-mecab using apt by running the following command:
sudo apt -y install unidic-mecab
Install unidic-mecab Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install unidic-mecab using aptitude by running the following command:
sudo aptitude -y install unidic-mecab
How To Uninstall unidic-mecab on Ubuntu 18.04
To uninstall only the unidic-mecab package we can use the following command:
sudo apt-get remove unidic-mecab
Uninstall unidic-mecab And Its Dependencies
To uninstall unidic-mecab and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove unidic-mecab
Remove unidic-mecab Configurations and Data
To remove unidic-mecab configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge unidic-mecab
Remove unidic-mecab configuration, data, and all of its dependencies
We can use the following command to remove unidic-mecab configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge unidic-mecab
References
Summary
In this tutorial we learn how to install unidic-mecab package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
