| MEV Dataset License |
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| MEV is released as a source-aware open research dataset. The goal of this |
| license is to make the dataset directly usable for research, evaluation, and |
| model training while preserving the provenance and original terms of any |
| third-party source videos. |
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| 1. MEV-created annotations and metadata |
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| The annotations, labels, splits, timestamps, prompts, evaluation metadata, |
| and other original metadata created by the MEV authors are |
| released under the Creative Commons Attribution 4.0 International License |
| (CC BY 4.0), unless a file explicitly states otherwise. |
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| Users may use, share, adapt, redistribute, and build upon these MEV-created |
| materials, including for research, evaluation, and model training, provided |
| that they give appropriate credit, provide a link to the license, and indicate |
| if changes were made. |
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| CC BY 4.0: |
| https://creativecommons.org/licenses/by/4.0/ |
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| 2. Released video package |
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| Video files included in the official MEV public release are provided together |
| with MEV annotations and dataset-level source information as part of the MEV |
| research data package. These released video files are intended to be directly |
| downloadable and usable for research, evaluation, and model training, subject |
| to the applicable source license or platform terms. |
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| MEV does not impose additional restrictions on the released video files beyond |
| the applicable source terms and the responsible-use requirements described in |
| this notice. Users do not need to re-crawl the original source websites to |
| reproduce experiments on videos that are included in the official MEV video |
| package. |
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| The MEV authors do not claim ownership of third-party video assets. Copyright |
| and other rights in those videos remain with their original rights holders. |
| Source attribution, source identifiers, and license/provenance metadata should |
| be preserved when redistributing or adapting the dataset package. |
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| 3. Source-specific terms |
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| MixKit videos included in MEV remain governed by the applicable MixKit stock |
| video license and MixKit User Terms. MixKit provides item-type-specific stock |
| video licenses, including free and restricted licenses. |
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| YouTube-hosted source videos remain subject to YouTube's Terms of Service and |
| any rights or license terms associated with each video. When a video is included |
| in the official MEV release package, MEV provides it as part of the dataset |
| package with the corresponding MEV annotations. When a source video cannot |
| be redistributed, MEV may release only annotations, timestamps, prompts, source |
| URLs or identifiers, and other metadata where permitted. |
| |
| Only a small subset of optional 4K source versions may be premium, paid, |
| restricted, or otherwise separately licensed, and this does not affect the |
| released MEV video package. Such optional source versions are not automatically |
| covered by the MEV public release. Users who obtain them directly from the |
| original source are responsible for following the corresponding source license |
| and terms. |
| |
| 4. Responsible use |
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| MEV is intended for research and development in long-take multi-event video |
| generation, event-level video understanding, dataset auditing, and related |
| tasks. Users should comply with applicable copyright, privacy, data protection, |
| and research ethics laws, and should not use the dataset to create misleading, |
| harmful, privacy-invasive, or otherwise unlawful content. |
| |
| Users should not remove source attribution, copyright notices, license labels, |
| or provenance metadata from redistributed video files or annotations. Users |
| should also avoid using MEV to identify people, infer sensitive personal |
| attributes, or target individuals depicted in source videos. |
| |
| 5. No warranty |
| |
| MEV is provided on an "AS IS" basis. The MEV authors make no warranties |
| regarding ownership of third-party video assets, availability of linked source |
| videos, accuracy of annotations, suitability for any particular purpose, or |
| compliance of users' downstream uses. |
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| 6. Takedown and updates |
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| If a rights holder requests removal of a video file, video reference, |
| annotation, or related metadata, or if legal, ethical, privacy, or security |
| concerns arise, the MEV authors may remove or modify the affected materials. |
| Affected video files will be removed from subsequent public packages when |
| appropriate. Deprecated entries may be retained only as non-distributive |
| provenance records when this is needed for reproducibility and is permitted by |
| the applicable source terms. |
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| 7. Legal notice |
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| This license notice is provided for informational purposes and is not legal |
| advice. |
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