| 2017 | ICTAI | Heterogeneous Ensemble Dynamic Selection for Software Development Effort Estimation. | Jose Thiago H. de A. Cabral, Ricardo de A. Arajo, Jarley Palmeira Nbrega, Adriano L. I. Oliveira |
| 2015 | GECCO | A Model with Evolutionary Covariance-based Learning for High-Frequency Financial Forecasting. | Ricardo de A. Arajo, Adriano L. I. Oliveira, Silvio Romero de Lemos Meira |
| 2015 | IJCNN | A prediction model for high-frequency financial time series. | Ricardo de A. Arajo, Adriano L. I. de Oliveira, Silvio Romero de Lemos Meira |
| 2013 | CEC | A learning process based on covariance matrix adaptation for morphological-linear perceptrons. | Ricardo de A. Arajo, Adriano L. I. Oliveira, Silvio R. L. Meira |
| 2012 | ICANN | A Hybrid Model for S&P500 Index Forecasting. | Ricardo de A. Arajo, Adriano L. I. Oliveira, Silvio R. L. Meira |
| 2012 | IDEAL | A Dilation-Erosion-Linear Perceptron for Bovespa Index Prediction. | Ricardo de A. Arajo, Adriano L. I. Oliveira, Silvio R. L. Meira |
| 2011 | IJCNN | Gradient-based morphological approach for software development cost estimation. | Ricardo de A. Arajo, Adriano L. I. Oliveira, Srgio C. B. Soares, Silvio R. L. Meira |
| 2011 | IJCNN | Designing dilation-erosion perceptrons with differential evolutionary learning for air pressure forecasting. | Ricardo de A. Arajo, Adriano L. I. Oliveira, Srgio C. B. Soares, Silvio R. L. Meira |
| 2011 | SMC | Dilation-erosion perceptrons with evolutionary learning for weather forecasting. | Ricardo de A. Arajo, Adriano L. I. Oliveira, Srgio Soares, Silvio R. L. Meira |
| 2010 | GECCO | A covariance matrix adaptation based evolutionary methodology for phase adjustment in financial time series forecasting. | Ricardo de A. Arajo, Adriano L. I. de Oliveira, Srgio C. B. Soares |
| 2010 | HAIS | An Increasing Hybrid Morphological-Linear Perceptron with Evolutionary Learning and Phase Correction for Financial Time Series Forecasting. | Ricardo de A. Arajo, Peter Sussner |
| 2010 | IJCNN | A quantum-inspired hybrid methodology for financial time series prediction. | Ricardo de A. Arajo, Adriano L. I. de Oliveira, Srgio C. B. Soares |
| 2010 | IJCNN | An increasing hybrid morphological-linear perceptron with pseudo-gradient-based learning and phase adjustment for financial time series prediction. | Ricardo de A. Arajo, Peter Sussner |
| 2010 | ICTAI | Hybrid Intelligent Design of Morphological-Rank-Linear Perceptrons for Software Development Cost Estimation. | Ricardo de A. Arajo, Adriano L. I. de Oliveira, Srgio Soares |
| 2010 | SMC | Overcoming the random walk dilemma using a Covariance Matrix Adaptation Evolutionary method. | Ricardo de A. Arajo, Adriano L. I. de Oliveira, Srgio Soares |
| 2010 | SAC | Hybrid evolutionary quantum inspired method to adjust time phase distortions in financial time series. | Ricardo de A. Arajo, Adriano L. I. de Oliveira, Srgio C. B. Soares |
| 2009 | ICTAI | A Morphological-Rank-Linear Approach for Software Development Cost Estimation. | Ricardo de A. Arajo, Adriano L. I. de Oliveira, Srgio C. B. Soares |
| 2008 | CEC | An experimental study with a Hybrid method for tuning neural network for time series prediction. | Aranildo Rodrigues Lima Junior, Tiago Alessandro Espnola Ferreira, Ricardo de A. Arajo |
| 2008 | CEC | Morphological-Rank-Linear Time-lag Added Evolutionary Forecasting method for financial time series forecasting. | Ricardo de A. Arajo, Aranildo Rodrigues Lima Junior, Tiago Alessandro Espnola Ferreira |
| 2008 | CEC | A Quantum-Inspired Intelligent Hybrid method for stock market forecasting. | Ricardo de A. Arajo, Aranildo Rodrigues Lima Junior, Tiago Alessandro Espnola Ferreira |
| 2007 | CEC | An evolutionary Morphological-Rank-Linear approach for time series prediction. | Ricardo de A. Arajo, Germano C. Vasconcelos, Tiago A. E. Ferreira |
| 2007 | CEC | Hybrid differential evolutionary system for financial time series forecasting. | Ricardo de A. Arajo, Germano C. Vasconcelos, Tiago A. E. Ferreira |
| 2007 | ISNN | An Intelligent Hybrid Approach for Designing Increasing Translation Invariant Morphological Operators for Time Series Forecasting. | Ricardo de A. Arajo, Robson P. de Sousa, Tiago A. E. Ferreira |
| 2006 | CEC | An Evolutionary Morphological Approach for Financial Time Series Forecasting. | Ricardo de A. Arajo, Francisco Madeiro, Robson Pequeno de Sousa, Lcio Flavio Cavalcanti Pessoa, Tiago Alessandro Espnola Ferreira |
| 2006 | ICASSP | Modular Morphological Neural Network Training via Adaptive Genetic Algorithm for Designing Translation Invariant Operators. | Ricardo de A. Arajo, Francisco Madeiro, Robson P. de Sousa, Lcio F. C. Pessoa |
| 2006 | ICIP | Improved Evolutionary Hybrid Method for Designing Morphological Operators. | Ricardo de A. Arajo, Francisco Madeiro, Tiago A. E. Ferreira, Robson P. de Sousa, Lcio F. C. Pessoa |