codllm-base-deploy / LICENSING.md
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Apply CC BY 4.0 to codLLM contributions with citation and upstream notices
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Licensing and citation

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.

Material License
Project software, scripts, tests, configuration, and code examples, including code in documentation Apache-2.0
Project-authored prose, documentation, figures, organization/model cards, and the authors' contributions to codLLM_Thesis.pdf CC BY 4.0
codLLM model contributions released under this policy CC BY 4.0, 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

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.

The license texts are authoritative. NOTICE records authorship and upstream attribution; CITATION.cff provides the preferred citation.

Attribution and citation

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.

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.

Read the thesis.

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:

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].

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.

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.

Model provenance and prior releases

codllm/codllm-base-deploy is derived from Google's 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.

Earlier software versions were released under MIT. The original notice is preserved in LICENSES/MIT-legacy.txt 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.

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.

Official license references

Creative Commons recommends software-specific licenses for code, which is why codLLM software uses Apache-2.0 and its other project-owned materials use CC BY 4.0.