# Dual License

This project uses a dual licensing approach:

## 1. Source Code - MIT License

The source code of this project is licensed under the MIT License.

Copyright (c) 2025 Taketo Yoda

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

## 2. N-gram Model Data - CC BY-SA 3.0

The N-gram model files (*.pkl) included in this project are derived from
Wikipedia data and are licensed under the Creative Commons Attribution-ShareAlike
3.0 Unported License (CC BY-SA 3.0).

See LICENSE-CC-BY-SA.txt for the full license text.

### Attribution

The default N-gram model is trained on data from:
- Japanese Wikipedia (https://ja.wikipedia.org/)
- Licensed under CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/)
- © Wikipedia contributors
