qwen2.5-0.5b-pii-anonymizer/LICENSE.md

# Composite License

This model and its associated artifacts are subject to a **composite license** reflecting the terms of all upstream components used in training and construction. Users must comply with **all** applicable licenses below.

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## 1. Base Model — Qwen2.5-0.5B-Instruct

**License**: Apache License 2.0  
**Licensor**: Qwen Team, Alibaba Cloud  
**Source**: https://huggingface.co/Qwen/Qwen2.5-0.5B-Instruct

```
                              Apache License
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                     http://www.apache.org/licenses/

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```

---

## 2. Training Dataset — nvidia/Nemotron-PII

**License**: Creative Commons Attribution 4.0 International (CC-BY-4.0)  
**Licensor**: NVIDIA Corporation  
**Source**: https://huggingface.co/datasets/nvidia/Nemotron-PII

### Summary of CC-BY-4.0

You are free to:
- **Share** — copy and redistribute the material in any medium or format for any purpose, including commercially.
- **Adapt** — remix, transform, and build upon the material for any purpose, including commercially.

Under the following terms:
- **Attribution** — You must give appropriate credit, provide a link to the license, and indicate if changes were made.

Full text: https://creativecommons.org/licenses/by/4.0/legalcode

### Required Attribution

This model was trained using the Nemotron-PII dataset by NVIDIA Corporation, licensed under CC-BY-4.0. The dataset contains 100,000 synthetic English records with span-level PII/PHI annotations across 50+ industries, generated with NVIDIA NeMo Data Designer.

---

## 3. Training Dataset — ai4privacy/pii-masking-200k

**License**: AI4Privacy Free/Corporate License  
**Licensor**: AI4Privacy, Ai Suisse SA  
**Source**: https://huggingface.co/datasets/ai4privacy/pii-masking-200k  
**Contact**: licensing@ai4privacy.com

### Free License

Copyright © 2023 Ai4Privacy (Ai Suisse SA)

#### Qualification Criteria

You are qualified to use the AI4Privacy dataset and derivative works at no cost if you are:

- An individual
- A for-profit entity with a staff count of up to 3
- A non-profit or not-for-profit organization
- In the stage of assessing suitability, and have not yet applied it commercially

#### Permitted Use Cases

Eligible persons may use the dataset and derivative works for non-commercial or commercial purposes. Users may also modify the dataset to meet specific needs.

#### Prohibited Use Cases

It is not permissible to duplicate or alter the dataset with the intention to distribute, sell, rent, license, re-license, or sublicense your own derivative.

#### Warranty Notice

The dataset comes "AS IS", without any express or implied warranties, including but not limited to warranties of saleability, suitability for a specific use, and non-infringement. The authors or copyright holders shall not be responsible for any claim, damage or other liability, whether in a contract, tort or otherwise, arising from or in connection with the dataset or its use.

### Corporate License

If your entity does not fall under the category eligible for a free license (i.e., a for-profit organization with more than 3 employees), you **must** procure a corporate license to use this model or any derivative works based on the AI4Privacy dataset.

**Contact**: licensing@ai4privacy.com

---

## 4. Training Framework — Unsloth

**License**: Apache License 2.0  
**Source**: https://github.com/unslothai/unsloth

Licensed under the same Apache 2.0 terms as detailed in Section 1 above.

---

## 5. Composite License Summary

**The effective license for this model is the most restrictive combination of all upstream licenses.** In practice, this means:

| User Type | Can Use This Model? | Requirements |
|-----------|-------------------|--------------|
| Individuals | Yes, freely | Attribution for Nemotron-PII (CC-BY-4.0) |
| Non-profits | Yes, freely | Attribution for Nemotron-PII (CC-BY-4.0) |
| Small businesses (≤3 employees) | Yes, freely | Attribution for Nemotron-PII (CC-BY-4.0) |
| Larger commercial entities (>3 employees) | Requires corporate license from AI4Privacy | Contact licensing@ai4privacy.com + Attribution for Nemotron-PII |

### Attribution Notice

This model incorporates or derives from:

1. **Qwen2.5-0.5B-Instruct** by Qwen Team, Alibaba Cloud — Apache 2.0
2. **Nemotron-PII** by NVIDIA Corporation — CC-BY-4.0
3. **PII Masking 200K** by AI4Privacy, Ai Suisse SA — AI4Privacy Free/Corporate License
4. **Unsloth** by Unsloth AI — Apache 2.0

---

## 6. Disclaimer

THE MODEL AND ALL ASSOCIATED ARTIFACTS ARE 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, COPYRIGHT HOLDERS, OR CONTRIBUTORS 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 MODEL OR THE USE OR OTHER DEALINGS IN THE MODEL.

This model is NOT a substitute for professional legal, compliance, or data protection review. Users are solely responsible for ensuring their use of this model complies with applicable laws and regulations including but not limited to GDPR, HIPAA, CCPA, and other data protection frameworks.