Add License

README.md

@@ -29,4 +29,15 @@ The dataset includes Japanese instruction-response pairs and has been tailored f
 
 関根聡, 安藤まや, 後藤美知子, 鈴木久美, 河原大輔, 井之上直也, 乾健太郎. ichikara-instruction: LLMのための日本語インストラクションデータの構築. 言語処理学会第30回年次大会(2024)
 
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+## License
+
+This model is released under the **CC-BY-NC-SA 4.0** license.
+
+- **Base Model**: [llm-jp/llm-jp-3-13b](https://huggingface.co/llm-jp/llm-jp-3-13b) (Apache License 2.0)
+- **Fine-Tuning Dataset**: ichikara-instruction (CC-BY-NC-SA 4.0)
+
+**Fine-tuned Model License**:  
+Due to the Share-Alike (SA) condition of the ichikara-instruction dataset, the fine-tuned model is licensed under **CC-BY-NC-SA 4.0**.  
+This means the model can only be used for **non-commercial purposes**, and any derivative works must adopt the same license.