Multidisciplinary Artificial and Computational Intelligence and Applications.- A Heterogeneous Network-based Positive and Unlabeled Learning Approach to Detect Fake News.- Anomaly Detection in Brazilian Federal Government Purchase Cards Through Unsupervised Learning Techniques.- De-identification of Clinical Notes Using Contextualized Language Models and a Token Classifier.- Detecting Early Signs of Insufficiency in COVID-19 Patients from CBC Tests Through a Supervised Learning Approach.- Encoding Physical Conditioning from Inertial Sensors for Multi-step Heart Rate Estimation.- Ensemble of Protein Stability Upon Point Mutation Predictors.- Ethics of AI: Do the face detection models act with prejudice?.- Evaluating Topic Models in Portuguese Political Comments about Bills from Brazil's Chamber of Deputies.- Evaluation of Convolutional Neural Networks for COVID-19 Classification on Chest X-Rays.- Experiments on Portuguese Clinical Question Answering.- Long-term Map Maintenance in Complex Environments.- Supervised Training of a Simple DIgital Assistant for a Free Crop Clinic.- The future of AI: neat or scruffy?.- Weapon Engagement Zone Maximum Launch Range Estimation Using a Deep Neural Network.- Neural Networks, Deep Learning and Computer Vision.- Code autocomplete using Transformers.- Deep Convolutional Features for Fingerprint Indexing.- How to Generate Synthetic Paintings to Improve Art Style Classification.- Iris-CV: Classifying Iris Flowers Is Not as Easy as You Thought.- Performance analysis of YOLOv3 for real-time detection of pests in soybeans.- Quaternion-Valued Convolutional Neural Network Applied for Acute Lymphoblastic Leukemia Diagnosis.- Sea State Estimation with Neural Networks based on the Motion of a Moored FPSO subjected to Campos Basin Metocean Conditions.- Time-Dependent Item Embeddings for Collaborative Filtering.- Transfer Learning of Shapelets for Time Series Classification Using Convolutional Neural Network.- Text Mining and Natural Language Processing.- A Deep Learning approach for Aspect Sentiment Triplet Extraction in Portuguese.- Aggressive Language Detection using VGCN-BERT for Spanish Texts.- An Empirical Study of Text Features for Identifying Subjective Sentences in Portuguese.- Comparing contextual embeddings for semantic textual similarity in Portuguese.- Deep Active-Self Learning Applied to Named Entity Recognition.- DEEPAGÉ Answering Questions in Portuguese about the Brazilian Environment.- Enriching Portuguese Word Embeddings with Visual Information.- Entity Relation Extraction from News Articles in Portuguese for Competitive Intelligence based on BERT.- Experiments on Kaldi-based Forced Phonetic Alignment for Brazilian Portuguese.- Incorporating Text Specificity into a Convolutional Neural Network for the Classification of Review Perceived Helpfulness.- Joint Event Extraction with Contextualized Word Embeddings for the Portuguese Language.- mRAT-SQL+GAP: A Portuguese Text-to-SQL Transformer.- Named Entity Recognition for Brazilian Portuguese Product Titles.- Portuguese Neural Text Simplification using Machine Translation.- Rhetorical Role Identification for Portuguese Legal Documents.- Speech2Phone: A Novel and Efficient Method for Training Speaker Recognition Models.- Text Classification in Legal Documents Extracted from Lawsuits in Brazilian Courts.- Universal Dependencies-based PoS Tagging Refinement through Linguistic Resources.- When external knowledge does not aggregate in Named Entity Recognition.