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- Tiago Alessandro Espínola Ferreira, Germano C. Vasconcelos, Paulo J. L. Adeodato
- Neural Processing Letters
- 2008

The Time-delay Added Evolutionary Forecasting (TAEF) approach is a new method for time series prediction that performs an evolutionary search for the minimum number of dimensions necessary to represent the underlying information that generates the time series. The methodology proposed is inspired in Takens theorem and consists of an intelligent hybrid model… (More)

Multilayer perceptron networks (MLP) are investigated with respect to the problem of the detection of spurious patterns. A novel mechanism is proposed based on the ideas of boot-strapping that when incorporated into the standard MLP provides the network with the ability to continuously modifying its responses across the input space. The mechanism makes use… (More)

- Germano C. Vasconcelos, Michael C. Fairhurst, David L. Bisset
- Pattern Recognition Letters
- 1995

- Humberto Cesar Brandao de Oliveira, Germano C. Vasconcelos
- Annals OR
- 2010

This paper presents a new method --- the Time-delay Added Evolutionary Forecasting (TAEF) method --- for time series prediction which performs an evolutionary search of the minimum necessary number of dimensions embedded in the problem for determining the characteristic phase space of the time series. The method proposed is inspired in F. Takens theorem and… (More)

- Germano C. Vasconcelos, Michael C. Fairhurst, David L. Bisset
- Neural Computing & Applications
- 1995

The problem of the rejection of patterns not belonging to identified training classes is investigated with respect to Multilayer Perceptron Networks (MLP). The reason for the inherent unreliability of the standard MLP in this respect is explained, and some mechanisms for the enhancement of its rejection performance are considered. Two network configurations… (More)

This thesis investigates feedforward neural networks in the context of classi cation tasks with respect to the detection of patterns that do not belong to the same categories of patterns used to train the network. This refers to the problem of the detection and/or rejection of spurious or novel patterns. In particular, the multilayer perceptron network… (More)

- Tiago Alessandro Espínola Ferreira, Germano C. Vasconcelos, Paulo J. L. Adeodato
- 2007 IEEE Symposium on Computational Intelligence…
- 2007

This work introduces a new method for time series prediction - time-delay added evolutionary forecasting (TAEF) - that carries out an evolutionary search of the minimum necessary time lags embedded in the problem for determining the phase space that generates the time series. The method proposed consists of a hybrid model composed of an artificial neural… (More)

- Ricardo de A. Araújo, Germano C. Vasconcelos, Tiago Alessandro Espínola Ferreira
- IEEE Congress on Evolutionary Computation
- 2007

- Paulo J. L. Adeodato, Germano C. Vasconcelos, Adrian L. Arnaud, Rodrigo C. L. V. Cunha, Domingos S. M. P. Monteiro, Rosalvo F. Oliveira Neto
- Strategic Advancements in Utilizing Data Mining…
- 2008

This article presents an efficient solution for the PAKDD-2007 Competition cross-selling problem. The solution is based on a thorough approach which involves the creation of new input variables, efficient data preparation and transformation, adequate data sampling strategy and a combination of two of the most robust modeling techniques. Due to the… (More)