Vol. 15 No. 1 (2023): April/2023

Published: 2023-04-28

Tutorial

Credit card fraud detection using machine learning algorithms

Daniel Henrique Miguel de Souza, Claudio J. Bordin Jr.

1-11
- PDF (Portuguese)

Experience Report

An information system for quality monitoring and loss estimation in grain storage facilities using data fromIoT sensors and other mechanisms

Fernando Carvalho, Luiz Antonio Rodrigues

12-21
- PDF (Portuguese)

Original Paper

Experimental analysis of the MQTT and MQTT-SN protocols

Marco Aurélio Spohn, Willian Bordignon Genero

22-33
- PDF (Portuguese)
Forecasting price intervals in the Brazilian stock market using discrete-time markov chains

Martha Ximena Torres Delgado, João Queiroz, Oniram Átila

34-47
- PDF (Portuguese)
Oat grains classification using deep learning

Diego Inácio Patrício, Carlos Ré Signor, Nadia Canali Lângaro, Rafael Rieder

48-58
- PDF
OntoLearnWell: a context-based ontology oriented to emotional well-Being in the educational environment

Helder Moreira Arruda, Sandro Oliveira Dorneles, Leandro Miletto Tonetto, Elvis Fernandes Bugs, Giovani Cheuiche Pesenti, Rafael Kunst, Jorge Luis Victória Barbosa

59-69
- PDF (Portuguese)
Temporal analysis of heat islands using satellite image processing: case study Rio Branco, Acre

Emili Silva Bezerra, Salomão Mafalda, Ana Beatriz Alvarez, Roger Fredy Larico Chavez

70-78
- PDF (Portuguese)