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LICENSE_DATA_ADDENDUM.md

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+# DATASET LICENSE ADDENDUM
+*Supplementary restrictions to CC BY-NC-SA 4.0*
+
+This Addendum supplements the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0) governing this dataset. By accessing or using the dataset, you agree to both the CC BY-NC-SA 4.0 terms and the additional restrictions below. In the event of conflict between this Addendum and the CC BY-NC-SA 4.0 license, this Addendum takes precedence.
+
+---
+
+## 1. Prohibited Uses
+
+In addition to the NonCommercial restriction of CC BY-NC-SA 4.0, you may not use the dataset, in whole or in part, to:
+
+1.1 Attempt to identify, re-identify, infer, or de-anonymize the identity of any individual whose motion or biometric data is captured in the dataset;
+
+1.2 Build, train, evaluate, or improve any system designed for biometric identification or surveillance of individuals;
+
+1.3 Process the data in any way that constitutes processing of biometric data for the purpose of uniquely identifying a natural person, which may additionally constitute a violation of Regulation (EU) 2016/679 (GDPR), in particular Article 9.
+
+---
+
+## 2. Derivatives and Synthetic Data
+
+2.1 Any dataset, synthetic data, model outputs, embeddings, or other materials derived from or generated using this dataset, in whole or in part, must be licensed under terms no less restrictive than CC BY-NC-SA 4.0 and this Addendum in its entirety.
+
+2.2 This includes but is not limited to:
+
+- Synthetic motion capture data generated by machine learning models trained on this dataset;
+- Embeddings, latent representations, or statistical summaries derived from this dataset.
+
+2.3 You must include a copy of this Addendum, or a prominent link to it, alongside any such derived materials when distributing them.
+
+---
+
+## 3. Compliance with Applicable Law
+
+Use of this dataset must comply with all applicable laws and regulations, including but not limited to Regulation (EU) 2016/679 (GDPR) and Swedish data protection law. You are solely responsible for ensuring your use is lawful in your jurisdiction.
+
+---
+
+## 4. No Warranty
+
+The dataset is provided "as is." The licensor makes no warranties regarding the dataset's fitness for any purpose and accepts no liability for any harm arising from its use.
+
+---
+
+*This Addendum is governed by the laws of Sweden.*  
+*Version 1.0 2026*