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---
language:
- pt
license: cc-by-4.0
size_categories:
- 1B<n<10B
task_categories:
- text-generation
tags:
- legal
dataset_info:
config_name: iudicium_textum
features:
- name: text
dtype: string
- name: meta
struct:
- name: dedup
struct:
- name: exact_norm
struct:
- name: cluster_main_idx
dtype: int64
- name: cluster_size
dtype: int64
- name: exact_hash_idx
dtype: int64
- name: is_duplicate
dtype: bool
- name: minhash
struct:
- name: cluster_main_idx
dtype: int64
- name: cluster_size
dtype: int64
- name: is_duplicate
dtype: bool
- name: minhash_idx
dtype: int64
- name: id
dtype: int64
splits:
- name: train
num_bytes: 896139675
num_examples: 198387
download_size: 408025309
dataset_size: 896139675
configs:
- config_name: iudicium_textum
data_files:
- split: train
path: iudicium_textum/train-*
---
# LegalPT
LegalPT aggregates the maximum amount of publicly available legal data in Portuguese, drawing from varied sources including legislation, jurisprudence, legal articles, and government documents.
## Dataset Details
Dataset is composed by six corpora:
[Ulysses-Tesemõ](https:github.com/ulysses-camara/ulysses-tesemo), [MultiLegalPile (PT)](https://arxiv.org/abs/2306.02069v2), [ParlamentoPT](http://arxiv.org/abs/2305.06721),
[Iudicium Textum](https://www.inf.ufpr.br/didonet/articles/2019_dsw_Iudicium_Textum_Dataset.pdf), [Acordãos TCU](https://link.springer.com/chapter/10.1007/978-3-030-61377-8_46), and
[DataSTF](https://legalhackersnatal.wordpress.com/2019/05/09/mais-dados-juridicos/).
- **MultiLegalPile**: a multilingual corpus of legal texts comprising 689 GiB of data, covering 24 languages in 17 jurisdictions. The corpus is separated by language, and the subset in Portuguese contains 92GiB of data, containing 13.76 billion words. This subset includes the jurisprudence of the Court of Justice of São Paulo (CJPG), appeals from the [5th Regional Federal Court (BRCAD-5)](https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0272287), the Portuguese subset of legal documents from the European Union, known as [EUR-Lex](https://eur-lex.europa.eu/homepage.html), and a filter for legal documents from [MC4](http://arxiv.org/abs/2010.11934).
- **Ulysses-Tesemõ**: a legal corpus in Brazilian Portuguese, composed of 2.2 million documents, totaling about 26GiB of text obtained from 96 different data sources. These sources encompass legal, legislative, academic papers, news, and related comments. The data was collected through web scraping of government websites.
- **ParlamentoPT**: a corpus for training language models in European Portuguese. The data was collected from the Portuguese government portal and consists of 2.6 million documents of transcriptions of debates in the Portuguese Parliament.
- **Iudicium Textum**: consists of rulings, votes, and reports from the Supreme Federal Court (STF) of Brazil, published between 2010 and 2018. The dataset contains 1GiB of data extracted from PDFs.
- **Acordãos TCU**: an open dataset from the Tribunal de Contas da União (Brazilian Federal Court of Accounts), containing 600,000 documents obtained by web scraping government websites. The documents span from 1992 to 2019.
- **DataSTF**: a dataset of monocratic decisions from the Superior Court of Justice (STJ) in Brazil, containing 700,000 documents (5GiB of data).
### Dataset Description
- **Curated by:** [More Information Needed]
- **Funded by:** [More Information Needed]
- **Language(s) (NLP):** Brazilian Portuguese (pt-BR)
- **License:** [Creative Commons Attribution 4.0 International Public License](https://creativecommons.org/licenses/by/4.0/deed.en)
### Dataset Sources
- **Repository:** https://github.com/eduagarcia/roberta-legal-portuguese
- **Paper:** [More Information Needed]
## Dataset Structure
<!-- This section provides a description of the dataset fields, and additional information about the dataset structure such as criteria used to create the splits, relationships between data points, etc. -->
[More Information Needed]
## Data Collection and Processing
LegalPT is deduplicated using [MinHash algorithm](https://dl.acm.org/doi/abs/10.5555/647819.736184) and [Locality Sensitive Hashing](https://dspace.mit.edu/bitstream/handle/1721.1/134231/v008a014.pdf?sequence=2&isAllowed=y), following the approach of [Lee et al. (2022)](http://arxiv.org/abs/2107.06499).
We used 5-grams and a signature of size 256, considering two documents to be identical if their Jaccard Similarity exceeded 0.7.
Duplicate rate found by the Minhash-LSH algorithm for the LegalPT corpus:
| **Corpus** | **Documents** | **Docs. after deduplication** | **Duplicates (%)** |
|--------------------------|:--------------:|:-----------------------------:|:------------------:|
| Ulysses-Tesemõ | 2,216,656 | 1,737,720 | 21.61 |
| MultiLegalPile (PT) | | | |
| CJPG | 14,068,634 | 6,260,096 | 55.50 |
| BRCAD-5 | 3,128,292 | 542,680 | 82.65 |
| EUR-Lex (Caselaw) | 104,312 | 78,893 | 24.37 |
| EUR-Lex (Contracts) | 11,581 | 8,511 | 26.51 |
| EUR-Lex (Legislation) | 232,556 | 95,024 | 59.14 |
| Legal MC4 | 191,174 | 187,637 | 1.85 |
| ParlamentoPT | 2,670,846 | 2,109,931 | 21.00 |
| Iudicium Textum | 198,387 | 153,373 | 22.69 |
| Acordãos TCU | 634,711 | 462,031 | 27.21 |
| DataSTF | 737,769 | 310,119 | 57.97 |
| **Total (LegalPT)** | **24,194,918** | **11,946,015** | **50.63** |
## Citation
<!-- If there is a paper or blog post introducing the dataset, the APA and Bibtex information for that should go in this section. --> |