Licensing notes (per source)
===========================

Summary
-------
- Acceptable for commercial use and processing (segmentation): CC-BY, CC-BY-SA, Etalab (Open Licence), public domain (CC0).
- To avoid in this corpus: CC-BY-NC (no commercial), CC-BY-ND (no derivatives), Standard YouTube License.

Phase 1 (this release)
----------------------
- SUMM-RE (locally provided): redistribution depends on upstream rights. If redistribution is restricted, publish “metadata-only + scripts”; keep audio local.

Open sources (pilot) examples
-----------------------------
- Canal-U (per-video): CC-BY or CC-BY-SA when explicitly stated on the video page; otherwise exclude.
- MESR Open Data / videos: Etalab Open Licence (confirm per resource).

How to record a source in sources.csv
-------------------------------------
Use:

```
url,category,domain,expected_role,license,license_url,notes
https://.../video,conferences,education,teacher,CC-BY,https://...,Page shows CC-BY
```

Attribution
-----------
When using open sources, include attribution per license (author, title, URL, license). In Papers/README: cite each source and link the license page.