67 lines
3.2 KiB
Markdown
67 lines
3.2 KiB
Markdown
# Licenses
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Every **record** (artifact or 3D model) and every **media file** (image,
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document, video) in Dynamic Collection carries a license that tells the world
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what can be done with it. This chapter explains the available options and how
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to choose.
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## Not everything is a license
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The platform distinguishes three kinds of entries:
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- **Licenses** grant permissions: the Creative Commons family (CC0, CC BY,
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…). Choosing one tells reusers exactly what they are allowed to do.
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- **The Public Domain Mark** (PDM) declares that a work is *already* free of
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known copyright — for instance because copyright has expired. It grants
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nothing new; it labels an existing status.
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- **Rights statements** ([RightsStatements.org](https://rightsstatements.org))
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label media that are closed or whose status is uncertain. Copyrighted
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material is not "licensed": it is labelled with one of these (e.g. *In
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Copyright*).
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## Records vs media
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**Records** must stay open — that is the point of publishing them — so only
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**CC0 1.0** and **CC BY 4.0** can be selected. **Media files** may need the
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full range, including closed options: a photograph may be under copyright
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even when the record describing the artifact is open.
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The forms only offer the options valid for what you are editing.
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!!! note "Editing existing content"
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An edit form always includes the currently assigned license, even if an
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administrator has since retired it: you are never forced to change the
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license of existing content just to save an unrelated edit.
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## Available options
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From the most open to the most restrictive:
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| Option | Kind | What it means |
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| PDM 1.0 | mark | Already free of known copyright worldwide (e.g. expired). |
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| CC0 1.0 | license | The rights holder waives all rights: any use, no attribution required. |
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| CC BY 4.0 | license | Any use, including commercial, with credit to the creator. |
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| CC BY-SA 4.0 | license | Like CC BY, but derivatives must keep the same license. |
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| CC BY-NC 4.0 | license | Reuse with attribution, non-commercial only. |
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| CC BY-NC-SA 4.0 | license | Non-commercial, with attribution, same license on derivatives. |
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| CC BY-ND 4.0 | license | Redistribution with attribution, but no derivative works. |
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| CC BY-NC-ND 4.0 | license | Most restrictive CC: share with credit, no changes, no commercial use. |
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| InC | rights statement | In copyright, all rights reserved: reuse requires permission. |
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| InC-EDU | rights statement | In copyright, but educational use is permitted. |
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| CNE | rights statement | Copyright not evaluated yet: treat as potentially protected. |
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Each option shows a short explanation in the form when selected. When media
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are downloaded, the zip archive includes the full legal text of the license
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(for CC licenses) or the canonical URI of the statement.
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## For administrators
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Licenses are managed from the admin panel:
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- **Add** further entries when needed — for example other RightsStatements.org
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statements (*InC-NC*, *NoC-NC*, *NKC*, *UND*, …).
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- **Retire** an option by deactivating it: it disappears from the forms but
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remains valid for the content that already uses it. This is always
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preferable to deletion, which is only possible for entries not in use.
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