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README.md
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license: cc-by-nc-sa-4.0
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---
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license: cc-by-nc-sa-4.0
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language:
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- pt
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size_categories:
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- 10K<n<100K
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---
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# *CorEGe-PT*: Corpus do Estudo Geral - Portuguese
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**CorEGe-PT** is a large-scale **corpus of academic texts written in Portuguese (mainly European Portuguese)**, extracted from [Estudo Geral](https://www.uc.pt/en/sibuc/Estudo_Geral), the institutional repository of the [University of Coimbra](https://www.uc.pt/). It contains over **34,000 documents** and approximately **1 billion tokens**, making it the **largest available corpus of its kind for the Portuguese language**.
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This dataset is designed to **support linguistic research** (Academic Discourse Studies) and the **training or adaptation of Large Language Models (LLMs)** for the academic domain.
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## Dataset Details
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- **Total Documents**: >34,000
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- **Total Tokens**: ~1.1 Billion
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- **Languages**: Portuguese (Primary), with a distinction between European (PT-PT) and Brazilian (PT-BR) varieties.
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- **Format**: Markdown (extracted using [Docling](https://docling-project.github.io/docling/))
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### Taxonomy
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The corpus covers **five main Fields of Science and Technology (FOS)**:
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- **Social Sciences** (37.9% of docs)
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- **Medical and Health Sciences** (24.8% of docs)
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- **Humanities** (16.4% of docs)
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- **Engineering and Technology Sciences** (12.4% of docs)
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- **Exact and Natural Sciences** (7.1% of docs)
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*(Some of the documents may overlap more than one FOS.)
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### Data Fields
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Each record contains the full text and rich metadata. The metadata fields **include original repository data and enriched fields added during post-processing**:
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- `text`: The **full academic text converted to Markdown** structure.
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- `dc.title`: Publication **title**.
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- `dc.subject.fos`: Field of Science and Technology (FOS) classification.
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- `dc.type`: Document type (e.g., masterThesis, doctoralThesis, article).
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- `dc.date.issued`: Publication year.
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- `dc.rights`: Access rights (e.g., openAccess).
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- `pt.auto`: Boolean indicating if the text was automatically classified as **Portuguese**.
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- `pt.pt.auto`: Boolean indicating if the text was automatically classified as **European Portuguese**.
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- `fos_assignment`: Indicates if the **FOS was assigned via heuristic or classifier**.
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## Ethical Considerations
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All documents were sourced from a public repository , ensuring they are open access and free of restrictive "No Derivatives" (ND) licenses.
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## Citation
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If you find **CorEGe-PT** useful in your research, please consider citing:
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```
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@inproceedings{kuhn_etal:lrec2026,
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author = {Tanara Zingano Kuhn and Jos{\’e} Matos and Bruno Neves and Daniela Pereira and Elisabete Ca{\c c}{\~a}o and Ivo Sim{\~o}es and Jacinto Estima and Delfim Le{\~a}o and Hugo {Gon{\c c}alo Oliveira}},
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booktitle = {Proceedings of 15th Language Resources and Evaluation Conference},
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pages = {Accepted},
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publisher = {ELRA},
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series = {LREC 2026},
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title = {{CorEGe-PT}: {C}ompiling a {L}arge {C}orpus of {A}cademic {T}exts in~{P}ortuguese},
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year = {2026}}
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```
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## License
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This project is licensed under the [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en) license.
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