The Combinatorial Neural Network: A Connectionist Model for Knowledge Based Systems. - Ricardo José Machado; Armando Freitas da Rocha (IPMU, 1990)

A neural system for deforestation monitoring on Landsat images of the Amazon Region. - Valmir Carneiro Barbosa; Ricardo José Machado; Frederico dos S. Liporace (Int. J. Approx. Reason., 1994)

Inference, inquiry, evidence censorship, and explanation in connectionist expert systems. - Ricardo José Machado; Armando Freitas da Rocha (IEEE Trans. Fuzzy Syst., 1997)

Learning in the combinatorial neural model. - Ricardo José Machado; Valmir Carneiro Barbosa; Paulo Alexandre Neves (IEEE Trans. Neural Networks, 1998)

Time-series forecasting through wavelets transformation and a mixture of expert models. - Ruy Luiz Milidiú; Ricardo José Machado; Raúl P. Rentería (Neurocomputing, 1999)