# **UltraVideo Dataset License Agreement (CC-BY-4.0 with Additional Restrictions)**

### **1. Permitted Use**  
1.1. You may **use, modify, and distribute** the **UltraVideo Dataset** (the "Data") for **non-commercial research purposes only**, provided you comply with:  
   - This Agreement,  
   - YouTube’s Terms of Service, and  
   - Any applicable copyright laws.  

1.2. **Computational Use** (e.g., training AI models, analysis) is permitted, but **Results** (defined in §5) must not include more than a **de minimis portion** of the original Data.  

1.3. The Data Provider waives claims against you or **Downstream Recipients** for compliant use, modification, or distribution.  

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### **2. Restrictions**  
2.1. **Commercial use is prohibited**, including:  
   - Monetization, product integration, or service improvement.  
   - Redistribution for monetary or other consideration.  

2.2. **Ethical & Legal Compliance**:  
   - Do not use the Data for harmful, misleading, or unethical applications.  
   - Do not redistribute **raw videos, transcripts, or thumbnails** outside this dataset.  
   - Obtain **creator permission** for derivative works beyond research.  

2.3. **No Re-identification**: Handle any residual personal data in compliance with privacy laws (GDPR, CCPA, etc.).  

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### **3. Redistribution Requirements**  
3.1. If redistributing the Data, you must:  
   - Include all original **credit/attribution** (e.g., Panda-70M/Koala-36M licenses).  
   - Bind recipients to **this Agreement**.  

3.2. **Derivative datasets** must retain the same license terms.  

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### **4. Disclaimers & Liability**  
4.1. **No Ownership Warranty**: The Data Provider does not claim rights to the Data.  

4.2. **"AS IS" Basis**: The Data may contain inaccuracies, biases, or sensitive content. Use at your own risk.  

4.3. **No Liability**: The Data Provider and **Upstream Data Providers** (e.g., YouTube) are not liable for:  
   - Damages from misuse (legal, privacy, or reputational).  
   - Violations of third-party terms or laws.  

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### **5. Definitions**  
- **Data**: The UltraVideo Dataset (videos, metadata, etc.), modified or unmodified.  
- **Results**: Outputs (e.g., AI models, research papers) containing ≤ de minimis Data.  
- **Downstream Recipient**: Any entity receiving the Data through you.  

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### **6. Termination**  
The Data Provider may **revoke access** to the Data for legal, ethical, or security reasons.  

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**By using the Data, you agree to these terms.**  
*Last updated: 2025.05.22

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### **Key Notes for Users**:  
- **Non-commercial research only**.  
- **Attribute properly** (CC-BY-4.0 + upstream licenses).  
- **No redistribution of raw YouTube content**.  
- **Comply with YouTube’s ToS and privacy laws**.