Maximizing the Appropriation of the Intangible Benefits Yielded by IT Investments in the Public Sector. - Antonio Juarez Alencar; Rigel Procópio Fernandes; Eber Assis Schmitz; Alexandre L. Correa (J. Softw., 2013)

Analysing IT Investments in the Public Sector: A Project Portfolio Approach. - Rigel Procópio Fernandes; Antonio Juarez Alencar; Eber Assis Schmitz; Alexandre L. Correa (J. Softw., 2014)

Acknowledging the Effect of the Depreciation of Tangible and Intangible Benefits upon the Evaluation of E-Gov Projects. - Marcelo Carvalho Fernandes; Antonio Juarez Alencar; Eber Assis Schmitz; Mônica Ferreira da Silva; Rigel Procópio Fernandes (J. Softw., 2015)

Bearings-only aerial shooter localization using a microphone array mounted on a drone. - Rigel Procópio Fernandes; José Antonio Apolinário; Antonio L. L. Ramos (LASCAS, 2017)

Gunshot Airborne Surveillance with Rotary Wing UAV-Embedded Microphone Array. - Felipe G. Serrenho; José Antonio Apolinário; Antonio L. L. Ramos; Rigel Procópio Fernandes (Sensors, 2019)

Improving the performance of a radio-frequency localization system in adverse outdoor applications. - Marcelo N. de Sousa; Ricardo Sant'Ana; Rigel Procópio Fernandes; Julio Cesar Duarte; José Antonio Apolinário; Reiner S. Thomä (EURASIP J. Wirel. Commun. Netw., 2021)

Exploiting Reverberation Fingerprints for Neural Network-Based Acoustic Emitter Localization. - José Antonio Apolinário; Antonio L. L. Ramos; Rigel Procópio Fernandes; Julio Cesar Duarte; Marcelo N. de Sousa (CoDIT, 2024)

A Reduced Complexity Acoustic-Based 3D DoA Estimation with Zero Cyclic Sum. - Rigel Procópio Fernandes; José Antonio Apolinário; José Manoel de Seixas (Sensors, 2024)