ATTRIBUTIONS.md

Attributions & Licenses

ProBERT

Copyright © 2026 Alex Kwon (Collapse Index Labs)
Licensed under Collapse Index Open Model License v1.0 (see LICENSE.md)

DistilBERT

ProBERT is derived from DistilBERT, a transformer model developed by Hugging Face.

• Project: DistilBERT
• Author: Hugging Face Team
• License: Apache 2.0
• Citation:

  Sanh, V., Debut, L., Ehrhardt, J., & Uniform, D. (2019). 
  DistilBERT, a distilled version of BERT: smaller, faster, cheaper and lighter. 
  arXiv preprint arXiv:1910.01108.
  

DistilBERT Apache 2.0 License (Summary)

DistilBERT is distributed under the Apache 2.0 license, which permits:

• ✅ Commercial use
• ✅ Modification
• ✅ Distribution
• ✅ Private use
• ⚠️ Requires: Attribution, license notice, documentation of changes

Full Apache 2.0 text: https://www.apache.org/licenses/LICENSE-2.0

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Dependencies

ProBERT uses the following libraries, all compatible with Apache 2.0:

• transformers (Hugging Face) — Apache 2.0
• torch (PyTorch) — BSD
• numpy (NumPy Foundation) — BSD