Ricardo Alexsandro de Medeiros Valentim

According to our database, Ricardo Alexsandro de Medeiros Valentim authored at least 20 papers between 2009 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Ensemble-imbalance-based classification for amyotrophic lateral sclerosis prognostic prediction: identifying short-survival patients at diagnosis.

Fabiano Papaiz, Mario Emílio Teixeira Dourado, Ricardo Alexsandro de Medeiros Valentim, Rafael Pinto, Antonio Higor Freire de Morais, Joel Perdiz Arrais

BMC Medical Informatics Decis. Mak., December, 2024

2023

Artificial intelligence applied to analyzes during the pandemic: COVID-19 beds occupancy in the state of Rio Grande do Norte, Brazil.

Tiago de Oliveira Barreto, Nícolas Vinícius Rodrigues Veras, Pablo Holanda Cardoso, Felipe Ricardo dos Santos Fernandes, Luiz Paulo de Souza Medeiros, Maria Valéria Bezerra, Filomena Marques Queiroz de Andrade, Chander de Oliveira Pinheiro, Ignacio Sánchez-Gendriz, Gleyson José Pinheiro Caldeira Silva, Leandro Farias Rodrigues, Antonio Higor Freire de Morais, João Paulo Queiroz dos Santos, Jailton Carlos Paiva, Íon Garcia Mascarenhas de Andrade, Ricardo Alexsandro de Medeiros Valentim

Frontiers Artif. Intell., February, 2023

2022

Correction to: Stochastic Petri net model describing the relationship between reported maternal and congenital syphilis cases in Brazil.

Ricardo Alexsandro de Medeiros Valentim, Gleyson J. P. Caldeira-Silva, Rodrigo Dantas da Silva, Gabriela A. Albuquerque, Íon Garcia Mascarenhas de Andrade, Ana Isabela L. Sales-Moioli, Talita K. de B. Pinto, Angélica E. Miranda, Leonardo J. Galvão-Lima, Agnaldo S. Cruz, Daniele Montenegro da Silva Barros, Anna Giselle C. D. R. Rodrigues

BMC Medical Informatics Decis. Mak., 2022

Stochastic Petri net model describing the relationship between reported maternal and congenital syphilis cases in Brazil.

Ricardo Alexsandro de Medeiros Valentim, Gleyson J. P. Caldeira-Silva, Rodrigo Dantas da Silva, Gabriela A. Albuquerque, Íon Garcia Mascarenhas de Andrade, Ana Isabela L. Sales-Moioli, Talita K. de B. Pinto, Angélica E. Miranda, Leonardo J. Galvão-Lima, Agnaldo S. Cruz, Daniele Montenegro da Silva Barros, Anna Giselle C. D. R. Rodrigues

BMC Medical Informatics Decis. Mak., 2022

Translational research in health technologies: A scoping review.

Nadja N. V. Mayrink, Luís Alcoforado, Arthur Chioro, Felipe Fernandes, Thaisa S. Lima, Erika B. Camargo, Ricardo Alexsandro de Medeiros Valentim

Frontiers Digit. Health, 2022

Machine Learning Solutions Applied to Amyotrophic Lateral Sclerosis Prognosis: A Review.

Fabiano Papaiz, Mario Emílio Teixeira Dourado, Ricardo Alexsandro de Medeiros Valentim, Antonio Higor Freire de Morais, Joel Perdiz Arrais

Frontiers Comput. Sci., 2022

A text as unique as a fingerprint: Text analysis and authorship recognition in a Virtual Learning Environment of the Unified Health System in Brazil.

Marcella Andrade da Rocha, Philippi Sedir Grilo de Morais, Daniele Montenegro da Silva Barros, João Paulo Queiroz dos Santos, Sara Dias-Trindade, Ricardo Alexsandro de Medeiros Valentim

Expert Syst. Appl., 2022

Efficient machine learning approach for volunteer eye-blink detection in real-time using webcam.

Paulo Augusto de Lima Medeiros, Gabriel Vinícius Souza da Silva, Felipe Ricardo dos Santos Fernandes, Ignacio Sánchez-Gendriz, Hertz Wilton De Castro Lins, Daniele Montenegro da Silva Barros, Danilo Alves Pinto Nagem, Ricardo Alexsandro de Medeiros Valentim

Expert Syst. Appl., 2022

2020

Identification of Learning Styles in Distance Education Through the Interaction of the Student With a Learning Management System.

Roberto Douglas da Costa, Gustavo Fontoura de Souza, Thales Barros de Castro, Ricardo Alexsandro de Medeiros Valentim, Aline de Pinho Dias

Rev. Iberoam. de Tecnol. del Aprendiz., 2020

Automatic lesion segmentation and Pathological Myopia classification in fundus images.

Cefas Rodrigues Freire, Julio Cesar da Costa Moura, Daniele Montenegro da Silva Barros, Ricardo Alexsandro de Medeiros Valentim

CoRR, 2020

The theory of learning styles applied to distance learning.

Roberto Douglas da Costa, Gustavo Fontoura de Souza, Ricardo Alexsandro de Medeiros Valentim, Thales Barros de Castro

Cogn. Syst. Res., 2020

Managing sessions of creative requirements elicitation and assessment.

Rafael Pinto, Lyrene Silva, Ricardo Alexsandro de Medeiros Valentim

Proceedings of the SAC '20: The 35th ACM/SIGAPP Symposium on Applied Computing, online event, [Brno, Czech Republic], March 30, 2020

Assessing the Impact of Public Health Campaigns Through Epidemiological, Communication and Education Indicators.

Rafael Pinto, Lyrene Silva, Ricardo Alexsandro de Medeiros Valentim, Carlos Oliveira, Juciano de Sousa Lacerda, Rodrigo Silva, Jailton Paiva, Vivekanandan Kumar

Proceedings of the 20th IEEE International Conference on Advanced Learning Technologies, 2020

A big data architecture to a multiple purpose in healthcare surveillance: the Brazilian syphilis case.

Rodrigo Dantas da Silva, Jean Jar Pereira de Araújo, Álvaro Ferreira Pires de Paiva, Ricardo Alexsandro de Medeiros Valentim, Karilany Dantas Coutinho, Jailton Carlos de Paiva, Azim Roussanaly, Anne Boyer

Proceedings of the EATIS 2020: 10th Euro American Conference on Telematics and Information Systems, 2020

A text as unique as fingerprint: AVASUS text analysis and authorship recognition.

Marcella A. da Rocha, Giovani Ângelo S. da Nóbrega, Ricardo Alexsandro de Medeiros Valentim, Luca Pareja C. F. Alves

Proceedings of the EATIS 2020: 10th Euro American Conference on Telematics and Information Systems, 2020

Strategies for content recommendation in the Brazilian rapid response to syphilis project.

Philippi Sedir Grilo de Morais, Rodrigo Dantas da Silva, José Arilton Pereira Filho, Ricardo Alexsandro de Medeiros Valentim, Karilany Dantas Coutinho, Carlos Alberto Pereira de Oliveira, Azim Roussanaly, Anne Boyer

Proceedings of the EATIS 2020: 10th Euro American Conference on Telematics and Information Systems, 2020

SOS Syphilis: smartphone application for the mapping of syphilis attention networks.

Gustavo Kleber, Danilo Alves, Jailton de Paiva, Diego Diógenes, Ricardo Alexsandro de Medeiros Valentim, Aryel Medeiros

Proceedings of the CENTERIS 2020 - International Conference on ENTERprise Information Systems / ProjMAN 2020 - International Conference on Project MANagement / HCist 2020, 2020

2014

An approach for recommending personalized contents for homecare users in the context of health 2.0.

Francisco Milton Mendes Neto, Alisson A. L. Costa, Enio L. Sombra, Jonathan D. C. Moreira, J. Javier Samper, Ricardo Alexsandro de Medeiros Valentim, Rogério P. C. do Nascimento, Cecilia Dias Flores

Proceedings of the 7th Euro American Conference on Telematics and Information Systems, 2014

2011

Design of an embedded PID controller applied to blood pressure control.

Anna G. C. D. Ribeiro, André Laurindo Maitelli, Ricardo Alexsandro de Medeiros Valentim, Cicilia Raquel Maia Leite, Heliana B. Soares, Nathalee C. de Almeida, Glaucia R. M. A. Sizilio, Ana M. G. Guerreiro

Proceedings of the 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011

2009

Neural cryptography applied to key management protocol with mutual authentication in RFID systems.

Macedo Firmino, Glaucio B. Brandao, Ana M. G. Guerreiro, Ricardo Alexsandro de Medeiros Valentim

Proceedings of the 4th International Conference for Internet Technology and Secured Transactions, 2009