| # Licensing and citation |
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| codLLM permits commercial and non-commercial use, modification, and redistribution under standard licenses. |
| The license depends on the material; these are not alternative licenses for the same material. |
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| | Material | License | |
| |---|---| |
| | Project software, scripts, tests, configuration, and code examples, including code in documentation | [Apache-2.0](./LICENSE-APACHE) | |
| | Project-authored prose, documentation, figures, organization/model cards, and the authors' contributions to `codLLM_Thesis.pdf` | [CC BY 4.0](./LICENSE) | |
| | codLLM model contributions released under this policy | [CC BY 4.0](./LICENSE), with upstream model terms and notices retained | |
| | Third-party datasets, ICD10h masterlists/reference materials, dependencies, and attributed third-party content | Their respective terms; not relicensed by codLLM | |
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| Unless a file or release explicitly states otherwise, this scope applies to project-owned materials from this update |
| onward. It does not grant rights that the authors do not hold. Third-party quotations, figures, and other attributed |
| material in the thesis are excluded from the CC BY grant unless their own notices say otherwise. Raw archival datasets |
| remain subject to their data-use agreements and are not distributed under either project license. |
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| The license texts are authoritative. [NOTICE](./NOTICE) records authorship and upstream attribution; |
| [CITATION.cff](./CITATION.cff) provides the preferred citation. |
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| ## Attribution and citation |
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| **Please credit Lucas E. B. Mortensen and Elias Dahl Lunøe when using codLLM, and cite the thesis in research publications.** |
| Also identify the model name and revision used, so that results can be traced to a specific checkpoint. |
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| > Mortensen, Lucas E. B., and Elias Dahl Lunøe. 2026. *Automated Historical Cause-of-Death Coding Using Fine-Tuned |
| > Language Models*. Bachelor's thesis, DTU Compute, Technical University of Denmark. |
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| [Read the thesis](https://huggingface.co/spaces/codllm/README/resolve/main/codLLM_Thesis.pdf). |
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| When publicly sharing CC BY material or adaptations, give appropriate credit, link to the material and license, |
| retain supplied notices, and indicate changes as required by CC BY 4.0. For example: |
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| > Based on codLLM by Lucas E. B. Mortensen and Elias Dahl Lunøe (2026), |
| > https://huggingface.co/codllm. Licensed under CC BY 4.0: https://creativecommons.org/licenses/by/4.0/. |
| > Changes: [describe your changes, or state that none were made]. |
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| For a model redistribution, link to the specific model and retain its upstream notices as well. |
| For software redistribution, follow Apache-2.0's license, notice, attribution, and change-marking requirements. |
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| The research citation request is not an added license condition. These standard licenses do not impose a universal |
| citation obligation merely for running the model, operating a service, or publishing outputs that do not themselves |
| share licensed material. There are no additional non-commercial, field-of-use, or share-alike restrictions. |
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| ## Model provenance and prior releases |
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| `codllm/codllm-base-deploy` is derived from Google's |
| [FLAN-T5-base](https://huggingface.co/google/flan-t5-base), distributed under Apache-2.0. |
| The CC BY declaration covers the codLLM contributions; it does not replace Google's license or attribution. |
| Model releases must carry the applicable upstream license text and notices alongside the codLLM license and citation. |
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| Earlier software versions were released under MIT. The original notice is preserved in |
| [LICENSES/MIT-legacy.txt](./LICENSE-MIT-legacy) and must be retained for incorporated MIT material. |
| Earlier model revisions were released under Apache-2.0. This policy does not revoke permissions already granted: |
| recipients can continue to use those earlier releases under their original terms, including where the same material |
| is also offered under the new policy. No retroactive attribution or citation requirement is asserted. |
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| Future publication models must identify their actual upstream model, license scope, authors, and associated paper. |
| Do not use a planned publication as if it were an existing citation. |
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| ## Official license references |
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| - [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0) |
| - [CC BY 4.0 legal code](https://creativecommons.org/licenses/by/4.0/legalcode.en) |
| - [Creative Commons attribution guidance](https://creativecommons.org/faq/#do-i-always-have-to-attribute-the-creator-of-the-licensed-material) |
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| Creative Commons [recommends software-specific licenses for code](https://creativecommons.org/faq/#can-i-apply-a-creative-commons-license-to-software), |
| which is why codLLM software uses Apache-2.0 and its other project-owned materials use CC BY 4.0. |
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