# GraphTheory-VL v1.0 data license

Copyright (c) 2026 GraphTheory-VL research team.

The 62 team-authored Challenge62 questions and accompanying images, including the nested Hard20 subset, and team-owned dataset documentation are licensed under the **Creative Commons Attribution 4.0 International License (CC BY 4.0)**.

License: [https://creativecommons.org/licenses/by/4.0/](https://creativecommons.org/licenses/by/4.0/).

Full legal text: [Creative Commons Attribution 4.0 International](https://creativecommons.org/licenses/by/4.0/legalcode.en).

Attribution name: **GraphTheory-VL research team**. Retain the dataset name and version, the license link, and an indication of any changes. Include the official project and paper links when supplied with the release.

This notice applies to the materials identified above. Code uses its separate license. Historical source-pool materials outside the 62-question collection, third-party service outputs, third-party publications and dependencies retain their applicable terms.