SchoolIdolWiki:Copyrights: Difference between revisions
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Revision as of 22:47, 17 August 2025
The Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) is a copyleft license that allows others to distribute, remix, adapt, and build upon the material in any medium or format, so long as attribution is given to the creator and the new creations are licensed under identical terms.
You are free to:
- Share — copy and redistribute the material in any medium or format
- Adapt — remix, transform, and build upon the material for any purpose, even commercially
Under the following terms:
- Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
Key Features
| Feature | Description |
|---|---|
| Commercial Use | Allowed |
| Derivative Works | Allowed |
| Distribution | Allowed |
| Private Use | Allowed |
| Patent Grant | Limited |
| Attribution Required | Required |
| Share Under Same License | Required |
| State Changes | Required if modified |
Attribution Requirements
When using CC BY-SA 4.0 licensed content, you must provide:
- Title of the work (if provided)
- Author/Creator name or pseudonym
- Source link or reference to the original work
- License indication (CC BY-SA 4.0)
- Changes indication if the work was modified
Attribution Example
"[Title of Work]" by [Author Name] is licensed under CC BY-SA 4.0. [Additional notes about modifications, if any]
Compatibility
CC BY-SA 4.0 content can be combined with:
- Other CC BY-SA 4.0 content
- CC BY-SA 3.0 content (one-way compatible)
- GFDL content (in some cases)
- Public domain content
Note: CC BY-SA 4.0 is not compatible with more restrictive licenses or proprietary content.
Common Use Cases
- Wikipedia - Uses CC BY-SA 3.0, compatible with 4.0
- Educational Resources - Textbooks, course materials
- Open Source Documentation - Software manuals, guides
- Creative Projects - Art, music, literature
- Wiki Projects - Collaborative knowledge bases
Differences from Other CC Licenses
| License | Commercial Use | Derivative Works | ShareAlike Requirement |
|---|---|---|---|
| CC BY | Yes | Yes | No |
| CC BY-SA | Yes | Yes | Yes |
| CC BY-NC | No | Yes | No |
| CC BY-NC-SA | No | Yes | Yes |
| CC BY-ND | Yes | No | N/A |
Legal Disclaimer
Legal disclaimer
This is a human-readable summary of (and not a substitute for) the full license. The full legal text should always be consulted for complete terms and conditions.