Update public subset usage terms

DATA_USE_AGREEMENT.md

@@ -0,0 +1,55 @@
+# PromptDialog Research-Only Data Use Agreement
+
+This Data Use Agreement governs access to and use of the public PromptDialog_sub dataset.
+
+By requesting, downloading, accessing, or using PromptDialog_sub, you agree to the following terms.
+
+## 1. Permitted Use
+
+PromptDialog_sub may be used only for non-commercial academic research and education.
+
+You may use the dataset to conduct research experiments, evaluate research systems, and publish academic findings, provided that you comply with this agreement and cite the associated PromptDialog paper.
+
+## 2. Prohibited Use
+
+You may not use PromptDialog_sub for commercial purposes.
+
+You may not use PromptDialog_sub to train, evaluate, deploy, or provide commercial systems, products, services, hosted APIs, or public-facing model services.
+
+You may not use PromptDialog_sub for unlawful, harmful, deceptive, or privacy-invasive purposes.
+
+## 3. No Redistribution
+
+You may not redistribute, mirror, resell, upload, publish, sublicense, or otherwise make PromptDialog_sub available to any third party.
+
+This restriction applies to the dataset itself and to any derivative files, including extracted audio, text, annotations, labels, metadata, modified datasets, converted formats, subsets, or repackaged versions.
+
+Users should obtain PromptDialog_sub from the official Hugging Face dataset page.
+
+## 4. No Derivative Dataset Publication
+
+You may not publish modified versions, translated versions, cleaned versions, filtered subsets, re-segmented audio, re-transcribed text, or derivative datasets based on PromptDialog_sub without prior written permission from the PromptDialog authors.
+
+## 5. Ownership and Third-Party Rights
+
+Access to PromptDialog_sub does not transfer ownership of any dataset content or any third-party source material.
+
+The dataset may contain derived audio, text, annotations, or metadata from publicly available source materials. You are responsible for ensuring that your use of the dataset complies with applicable laws, institutional policies, and third-party rights.
+
+No legal claims of any kind can be derived from requesting, accepting, accessing, or using the dataset.
+
+## 6. Citation
+
+If you use PromptDialog_sub in a publication, presentation, report, benchmark, or derived research result, you must cite the associated PromptDialog paper and dataset page.
+
+## 7. Takedown and Revocation
+
+The maintainers may remove, restrict, or modify dataset access at any time, including in response to rights-holder requests, policy changes, suspected misuse, or violation of this agreement.
+
+Your access may be revoked if you violate this agreement.
+
+## 8. No Warranty and Limitation of Liability
+
+PromptDialog_sub is provided as-is, without warranties of any kind.
+
+The PromptDialog authors and maintainers shall not be held liable for any damage, loss, claim, legal dispute, or other consequence resulting from accessing or using the dataset or any files provided.

README.md

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 ---
 license: cc-by-nc-4.0
 viewer: false
+language:
+  - zh
+tags:
+  - audio
+  - speech
+  - dialogue
+  - text-to-speech
+  - chinese
+  - public-subset
+  - non-commercial
+task_categories:
+  - text-to-speech
+  - automatic-speech-recognition
+pretty_name: PromptDialog Subset
 ---
 
 # PromptDialog Subset
 
-This subset contains 1,000 dialogues randomly sampled from high-context PromptDialog candidates.
+PromptDialog_sub is a public 1,000-dialogue subset sampled from PromptDialog for non-commercial academic research and education.
+
+## License and Use
+
+PromptDialog_sub is released under CC BY-NC 4.0 together with the additional [PromptDialog Data Use Agreement](./DATA_USE_AGREEMENT.md).
+
+The dataset may be used only for non-commercial academic research and education. Commercial use, resale, use in commercial systems or public-facing model APIs, and use for unlawful or privacy-invasive purposes are prohibited.
+
+Redistribution, public mirroring, sublicensing, and publication of modified or derivative versions are prohibited without prior written permission from the PromptDialog authors.
+
+If you use PromptDialog_sub in a publication, presentation, report, benchmark, or derived research result, please cite the associated PromptDialog paper and dataset page.
+
+## Important Notice
+
+This subset is derived from PromptDialog and may contain derived audio, text, annotations, or metadata from publicly available source materials. Access to this public subset does not transfer ownership of any third-party content and does not grant permission to use the dataset outside the non-commercial research-only scope.
+
+If you are a rights holder and have concerns about any content, please contact the maintainers for review and takedown.