Awesome

Portuguese-NLP

List of resources and tools developed with focus on Portuguese.

Datasets

• #PraCegoVer - multi-modal dataset with Portuguese captions based on posts from Instagram.
• 18th-century Portuguese medical texts
• AG_news pt - automatic translation of the AG's corpus of news articles.
• Alpaca data pt-br - Stanford Alpaca dataset translated into Brazilian Portuguese using the Helsinki-NLP/opus-mt-tc-big-en-pt model.
• AspectBR - Aspect-based annotated dataset of web consumer reviews.
• ASSIN - a dataset with semantic similarity score and entailment annotations. (HuggingFace)
• ASSIN 2 - sequence of ASSIN. (HuggingFace)
• Automated Essay Score (AES) ENEM Dataset - Benchmark for automatic essay scoring in Portuguese (HuggingFace)
• Aya Dataset PT - CohereForAI Aya Dataset filtrado para português (PT).
• BlogSet-BR - a collection of posts gathered from Blogspot platform written by Brazillian users.
• BLUEX - A benchmark based on Brazilian Leading Universities Entrance eXams.
• BoolQ - tradução automática do BoolQ.
• br-quad-2.0 - Stanford Question Answering Dataset (SQuAD) 2.0 translated to Brazilian Portuguese (PT-BR) language.
• Brands.Br - a Portuguese Reviews Corpus
• Brazilian E-Commerce - Brazilian E-Commerce Public Dataset by Olist store.
• Brazilian Headlines Sentiments - Dataset containing sentiment analysis of Brazilian news agencies headlines.
• Brazilian Portuguese Literature Corpus - 3.7 million word corpus of Brazilian literature published between 1840-1908.
• Brazilian Portuguese Narrative Essays Dataset - Dataset for Automatic Essay Scoring of Brazilian Portuguese Narrative Essays.
• Brazilian Portuguese Sentiment Analysis Datasets.
• Brazilian TCU's judgments - Judgments of Federal Court of Accounts - Brazil (TCU).
• BrWaC - Brazilian Portuguese Web as Corpus.
• BrWac2Wiki - a dataset for multi-document summarization in Portuguese.
• B2W-Reviews01 - product reviews.
• Canarim - A Large-Scale Dataset of Web Pages in the Portuguese Language (huggingface)
• Carolina - Corpus Geral do Português Brasileiro Contemporâneo.
• Capes - parallel corpus of theses and dissertations abstracts in English and Portuguese.
• CC100-Portuguese - Created by Conneau & Wenzek et al. at 2020. This dataset is one of the 100 corpora of monolingual data that was processed from the January-December 2018 Commoncrawl snapshots from the CC-Net repository.
• CETENFolha - news from the newspaper Folha de S. Paulo.
• CHAVE - collection for Information Retrieval and Question Answering.
• CINTIL Corpus - a linguistically interpreted corpus of Portuguese.
• ClinicalNER - Clinical Named Entity Recognition in Portuguese.
• Complexidade Textual para Estágios Escolares do Sistema Educacional Brasileiro.
• CORAA - dataset for Automatic Speech Recognition.
• CORAA SER - Emotion Recognition from Brazilian Portuguese Informal Spontaneous Speech.
• CrawlPT_dedup - CrawlPT (deduplicated) is composed by three corpora: brWaC, C100-PT, OSCAR-2301.
• CSTNews - a corpus with 50 clusters of news texts with their multi-document summaries, as well as several discourse and semantic annotations.
• C-ORAL-BRASIL - This project is dedicated to the study of Brazilian Portuguese spontaneous speech and, more broadly, to the compilation of spoken corpora.
• DANTEStocks - Corpus of stock market tweets written in Brazilian Portuguese and annotated with named entities according to HAREM's taxonomy.
• DEEPAGÉ - Answering Questions in Portuguese about the Brazilian Environment.
• DNLT-BP - Datasets of Neuropsychological Language Tests in Brazilian Portuguese.
• ENEM Challenge - Consists of the writing of an essay and an objective part containing 180 multiple choice questions.
• ENEM-2022 and ENEM-2023 - These projects encompass all multiple-choice questions from the last two editions of the Exame Nacional do Ensino Médio (ENEM), the main standardized entrance examination adopted by Brazilian universities.
• Essay-BR - Essay-BR: a corpus of essays for the Brazilian Portuguese language.
• Extended Essay-BR - Extended version of the Essay-BR corpus.
• FACTCK.BR - A dataset to study Fake News in Portuguese.
• FactNews - dataset to predict sentence-level factuality of news reporting.
• Fake.Br - aligned true and fake news written in Brazilian Portuguese (Hugginface).
• Central_de_fatos - (Huggingface).
• FakeNewsSet - (HuggingFace).
• Fakepedia-Corpus - fake news dataset.
• FakeRecogna - dataset comprised of real and fake news (Huggingface).
• FakeWhatsApp.Br - An annotated Corpus of WhatsApp messages in PT-BR for automatic detection of textual misinformation.
• FKTC - FaKe news Text Collections.
• Floresta Sintá(c)tica - treebank for Portuguese.
• HAREM first - evaluation contest for named entity recognizers in Portuguese.
• HAREM second - evaluation contest for named entity recognizers in Portuguese.
• HateBR - large-scale expert annotated corpus of Brazilian Instagram comments for hate speech and offensive language detection on the web and social media.
• Historical Portuguese Corpora - tools and resources for manipulation of historical corpora and management of historical dictionaries.
• IMDB pt - Tradução atomática do IMBD.
• Iudicium Textum Dataset - contains legal documents created by Brazilian Federal Supreme Court in its integral composition (paper).
• LeNER-Br - a Dataset for Named Entity Recognition in Brazilian Legal Text.
• LegalPT_dedup - LegalPT (deduplicated) aggregates the maximum amount of publicly available legal data in Portuguese.
• Lex2Kids - lexicon in Portuguese most heard by children.
• Mac-Morpho - Brazilian Portuguese texts annotated with part-of-speech tags.
• MilkQA - a dataset of dense questions for the task of answer selection.
• Minutes of Central Bank of Brazil - Minutes of the Monetary Policy Committee of the Central Bank of Brazil.
• NER in Brazilian Portuguese tweets - Twitter messages in pt-br annotated for the entities PER, LOC and ORG.
• NERDE - Documents from CADE's jurisprudence annotated for the entities ORG, PER, TEMPO, LOC, LEG (legislation), DOCS (documents), VALOR.
• News-Crawl-PT - Monolingual News Crawl used for WMT.
• News of the site Folha de São Paulo - news of the Brazilian Newspaper Folha de São Paulo.
• News published in Brazil - news compilation of the Globo group.
• OAB exams - Brazilian version of the BAR exam (USA) (HuggingFace).
• Parallel Corpora from Revista Pesquisa FAPESP - Portuguese-English and Portuguese-Spanish bilingual collections of the online issues of the scientific news Brazilian magazine Revista Pesquisa FAPESP.
• NURC-SP
• Pirá - A Bilingual Portuguese-English Dataset for Question-Answering about the Ocean.
• PL-corpus - part of the UlyssesNER-Br, a corpus of Brazilian Legislative Documents for NER with quality baselines.
• PLUE - Portuguese translation of the GLUE benchmark and Scitail dataset.
• POeTiSA - POrtuguese processing - Towards Syntactic Analysis and parsing.
• politiquices - Datasets related with the politiquices.pt project.
• PorSimplesSent - of aligned sentences pairs to investigate sentence readability assessment.
• PortiLexicon-UD - a lexicon for Brazilian Portuguese according to Universal Dependencies.
• Portuguese-Hate-Speech-Dataset - Portuguese dataset for hate speech detection composed of 5,668 tweets with binary annotations (i.e. 'hate' vs. 'no-hate') (HuggingFace)
• Portuguese Legal Sentences - Collection of Legal Sentences from the Portuguese Supreme Court of Justice.
• Portuguese Presidential Elections - This dataset contains tweets and users mostly from the Portuguese Twittersphere.
• PraCegoVer - multi-modal dataset containing images associated to Portuguese captions based on posts from Instagram.
• Priberam Fine-Grained Opinion Corpus - a Portuguese fine-grained dependency opinion mining corpus.
• Propbank - Contains instances annotated with semantic role labels (SRL).
• Projeto ACDC - Internet Access to Corpora.
• Puntuguese - A Corpus of Puns in Portuguese with Micro-editions (HuggingFace)
• QA-Portuguese - Adaptation from MQA dataset Portuguese split (QA entailment pairs).
• REBEL-Portuguese - Datasets de relações a partir da Wikipedia.
• ReLi - REsenha de LIvros.
• RePro: A Benchmark Dataset for Opinion Mining for Brazilian Portuguese - A Benchmark Dataset for Opinion Mining for Brazilian Portuguese. (HuggingFace)
• Rhetalho - corpus annotated with Daniel Marcu's RSTTool.
• SemClinBr - multi-institutional and multi-specialty semantically annotated corpus for Portuguese clinical NLP tasks.
• SESAME - corpus for NER in portuguese.
• SIGARRA News Corpus - SIGARRA information system at the University of Porto.
• SIMPLEX-PB - A Lexical Simplification Database and Benchmark for Portuguese.
• SIMPLEX-PB-2.0 - improved version of SIMPLEX-PB.
• SIMPLEX-PB-3.0 - new version of SIMPLEX-PB.
• Spotify Subset - classifying language variations in Brazilian Portuguese
• SQUAD-PT v1.1 - Portuguese translation of the SQuAD dataset.
• SQUAD-PT v1.1-pt-br - Brazilian Portuguese translation of the SQuAD dataset, translated by Deep Learning Brasil.
• SQUAD-PT v2.0 - Portuguese translation of SQuAD 2.0 dataset.
• SST-2 pt - Automatic translation of the Stanford Sentiment Treebank.
• TeMário - news texts and the corresponding human summaries for summarization purposes.
• Textual Complexity Corpus - Textual Complexity Corpus for School Internships in the Brazilian Educational System.
• ToLD-Br - Toxic Language Detection in Social Media for Brazilian Portuguese (github).
• TTS-Portuguese Corpus - Text To Speech Portuguese.
• TweetSentBR - Tweets in Brazilian Portuguese.
• Tweets for Sentiment Analysis.
• UD_Portuguese-Bosque - Universal Dependencies (UD) Portuguese treebank.
• UD_Portuguese-CINTIL - Universal Dependencies (UD) Portuguese treebank.
• UD_Portuguese-GSD - Universal Dependencies (UD) Portuguese treebank.
• UD_Portuguese-PetroGold - Universal Dependencies (UD) Portuguese treebank.
• UD_Portuguese-PUD - Universal Dependencies (UD) Portuguese treebank.
• UlyssesNER-Br - Corpus of Brazilian Legislative Documents for Named Entity Recognition
• UTLCorpus - a corpus of online reviews in Brazilian Portuguese annotated with helpfulness classification.
• Winograd Schema Challenge - Solver for the Portuguese-based Winograd Schema Challenge.
• WizardVicuna-PTBR-Instruct-Clean - Wizard Vicuna PT-Br Instruct Clean dataset.

Multilingual datasets

• A Multilingual Dataset for Investigating Stereotypes and Negative Attitudes Towards Migrant Groups in Large Language Models
• askD - ELI5 dataset adapted on Medical Questions (AskDocs) subreddit.
• English-Portuguese Sentences - English-Portuguese Sentences from the Tatoeba Project.
• EUR-Lex - multilingual corpus in all the official languages of the European Union.
• Europarl - European Parliament Proceedings Parallel Corpus 1996-2011.
• Europarl-ST - Multilingual Speech Translation Corpus, that contains paired audio-text samples for Speech Translation, constructed using the debates carried out in the European Parliament in the period between 2008 and 2012.
• mc4 - multilingual colossal, cleaned version of Common Crawl's web crawl corpus. Based on Common Crawl dataset.
• mfaq - multilingual corpus of Frequently Asked Questions parsed from the Common Crawl.
• MKQA - Multilingual Knowledge Questions & Answers (github).
• MQA - multilingual corpus of Questions and Answers (MQA) parsed from the Common Crawl.
• MMARCO - Multilingual version of the MS MARCO passage ranking dataset.
• mRobust - Multilingual version of the TREC 2004 Robust passage ranking dataset
• MultiCoNER - a large multilingual dataset for Named Entity Recognition.
• MuST-C - multilingual speech translation corpus.
• OpenSubtitles - collection of translated movie subtitles.
• OSCAR - Open Super-large Crawled Aggregated coRpus.
• Tatoeba - a large database of sentences and translations.
• TED2020 - contains a crawl of nearly 4000 TED and TED-X transcripts from July 2020.
• TSAR-2022-Shared-Task - TSAR2022 Shared Task on Lexical Simplification.
• WikiANN - multilingual named entity recognition dataset consisting of Wikipedia articles annotated with LOC (location), PER (person), and ORG (organisation) tags in the IOB2 format.
• WikiLingua - Multilingual abstractive summarization dataset extracted from WikiHow.
• WikiMatrix - Parallel Sentences in 1620 Language Pairs from Wikipedia.
• Wikiner - Learning multilingual named entity recognition from Wikipedia.
• WikiNEuRal - Combined Neural and Knowledge-based Silver Data Creation for Multilingual NER (EMNLP 2021).
• Wikipedia - Wikipedia dataset containing cleaned articles of all languages.
• XFORMAL - A Benchmark for Multilingual Formality Style Transfer.
• XLSUM - 1.35 million professionally annotated article-summary pairs from BBC.

Lexicon

• BATS-PT - manual translation of the lexicographic portion of the Bigger Analogy Test Set (BATS) to Portuguese
• br.ispell - Ispell dictionary for brazilian portuguese (github).
• Conceptnet - an open, multilingual knowledge graph.
• DicSin - Dictionary of synonyms and antonyms.
• lexiconPT - R package that provides lexicons for Portuguese Text Analysis.
• lexicons - Dictionaries of names, surnames, acronyms and it's extensions, stop-words, etc.
• LIWC - Linguistic Inquiry and Word Count (dictionary)
• Onto.PT - Ontologia Lexical para o Português.
• OpenWordnet-PT - an open access wordnet for Portuguese (site).
• OpLexicon - a sentiment lexicon for the Portuguese language.
• palavras - Word list of Brazillian Portuguese.
• PAPEL.
• pt-br - Wordlist, verbs, conjugations, term frequencies.
• PT-LKB - Large Portuguese Lexical-Semantic Knowledge Base
• PULO - Portuguese Unified Lexical Ontology.
• SentiLex-PT - a sentiment lexicon for Portuguese.
• Stopwords - Portuguese stopwords collection.
• Tep2.
• Unitex-PB - lexical resources.
• VaLexPB - a lexicon of Brazilian Portuguese verb valences.
• VerbNet.Br 1.0 - verbal lexicon of Brazilian Portuguese.
• wikidict-dsl-pt - Wikidata Bilingual DSL Dictionaries.
• Wordnetaffectbr - vocabulary of emotions words.
• Wordnet.Br - Portuguese WordNet.

Models

• Albertina PT-BR - It is an encoder of the BERT family for the Portuguese language - the American variant from Brazil.
• Albertina PT-PT - It is an encoder of the BERT family for the Portuguese language - the European variant from Portugal.
• Alpaca-LoRA-PTBR - Low-Rank LLaMA Instruct-Tuning.
• BART - BART pre-treinado em português.
• BERTimbau - BERTimbau Base is a pretrained BERT model for Brazilian Portuguese that achieves state-of-the-art performances on three downstream NLP tasks: Named Entity Recognition, Sentence Textual Similarity and Recognizing Textual Entailment (Github).
• BioBERTpt - fine-tuned BERT models trained on the clinical domain for Portuguese language (Github).
• Cabrita - A portuguese finetuned instruction LLaMA (Github).
• DeBERTinha - A DeBERTa V3 XSmall adapted to the Brazilian Portuguese language (Github).
• Electra - Electra model trained on BRWAC.
• Gervasio-PT-BR - It is a decoder of the GPT family for the Portuguese language - the American variant from Brazil.
• Gervasio-PT-PT - It is a decoder of the GPT family for the Portuguese language - the European variant from Portugal.
• GlórIA 1.3B - A Portuguese European-focused Large Language Model (HuggingFace)
• GPT2 small - GPorTuguese-2 (Portuguese GPT-2 small) is a state-of-the-art language model for Portuguese based on the GPT-2 small model.
• GPT-Neo small - a finetuned version from GPT-Neo 125M by EletheurAI to Portuguese language.
• GPT2-Bio-PT - a biomedical finetuned version from GPorTuguese-2 (Github).
• NERDE-base - BERTimbau finetuned to NER on Judicial Documents.
• roberta-pt-br
• RoBERTaCrawlPT-base - RoBERTaCrawlPT-base is a generic Portuguese Masked Language Model pretrained from scratch from the CrawlPT corpora
• RoBERTaLexPT-base - Portuguese Masked Language Model pretrained from scratch from the LegalPT and CrawlPT corpora
• Sabiá - Sabiá-7B is Portuguese language model developed by Maritaca AI.
• Sabiá 2 - Language model trained on Portuguese text, especially in the Brazilian domain.
• T5 - T5 model on Brazilian Portuguese data.
• tgf-xlm-roberta-base-pt-br (Github)
• Wav2vec - Fine-tuned facebook/wav2vec2-large-xlsr-53 on Portuguese using the train and validation splits of Common Voice 6.1.

Multilingual Models

• Bloom - BigScience Large Open-science Open-access Multilingual Language Model.
• mBert - Pretrained model on the top 104 languages with the largest Wikipedia using a masked language modeling (MLM) objective.
• mDeBERTa
• mGPT - Multilingual GPT model. An autoregressive GPT-like model.
• mMiniLM - mMiniLM-L6-v2 Reranker finetuned on mMARCO
• mT5 - Multilingual T5. A massively multilingual pre-trained text-to-text transformer.
• XLM-RoBERTa - XLM-RoBERTa model pre-trained on 2.5TB of filtered CommonCrawl data containing 100 languages.
• LaBSE - Language-agnostic BERT Sentence Encoder (LaBSE) is a BERT-based model trained for sentence embedding for 109 languages.

Word Embeddings

• fastText - Multi-lingual word vectors.
• LASER - Language-Agnostic SEntence Representations.
• NILC-Embeddings - Word embeddings trained in Portuguese by USP.
• MUSE - Multilingual Unsupervised and Supervised Embeddings.
• word vectors - Pre-trained word vectors of 30+ languages.

Metrics

• Coh-Metrix-Port - an adaptation of the Coh-Metrix text analysis tool to the Brazilian Portuguese language.
• NILC-Metrix - it gathers the metrics developed over more than a decade in NILC Lab.

Leaderboards

• Open PT LLM Leaderboard - Open PT LLM Leaderboard aims to provide a benchmark for the evaluation of Large Language Models (LLMs) in the Portuguese language across a variety of tasks and datasets.

Frameworks

• nlpnet
• NLTK
• polyglot
• spaCy
• Stanza NLP
• udpipe

Institutions

• Brasileiras em PLN.
• HAILab-PUCPR - A pioneering research group aiming to develop solutions for health care using Natural Language Processing and Machine Learning.
• Linguateca.
• NILC.
• NLPortuguês - Devoted to creating NLP courses in brazilian portuguese.
• NLX-Group.
• PLN PUCRS.

Tools

• Apertium-por - Apertium linguistic data for Portuguese.
• Autocorrect - Spelling corrector in python.
• BrGram - Computational grammar fragment of Brazilian Portuguese in the LFG formalism implemented in XLE.
• Dicio API - Portuguese dictionary API.
• dict-pt-br - dictionary for Brazilian Portuguese.
• Languagetool - Style and Grammar Checker for 25+ Languages.
• LegalNLP - Natural Language Processing Methods for the Brazilian Legal Language.
• LexML Parser - parser for legal documents.
• LX parser - statistical constituency parser for Portuguese.
• metaphone-ptbr - Metaphone algorithm for the Portuguese language.
• mlconjug3 - a Python library to conjugate verbs in Portuguese and other languages.
• MorphoBr - Resources for morphological analysis of Portuguese.
• OpCluster - Automatic extraction and clustering of fine-grained opinions.
• Phonemizer - Simple text to phones converter for multiple languages.
• PorGram - Open source computational grammar for Portuguese in the HPSG formalism.
• pymetaphone-br - Metaphone algorithm package for the Portuguese language.
• pysentimiento - Multilingual toolkit for Sentiment Analysis and Social NLP tasks.
• pyspellchecker - Multilingual Spell Checking.
• RBAMR - A Rule-Based AMR Parser for Portuguese.
• Verbecc - Complete Conjugation of any Verb using Machine Learning for French, Spanish, Portuguese, Italian and Romanian.

Other lists

• Annotated Semantic Relationships Datasets
• Linguistic datasets - Linguistic Datasets for Portuguese.
• NER-datasets for Portuguese
• NILC
• NILC 2
• NILC 3
• Opinando - Opinion Mining for Portuguese.
• Portuguese dataset List

Other links

• OPUS - OPUS is a growing collection of translated texts from the web.
• Statistical and Neural Machine Translation.