Vol. 13 No. 4 (2020)

iSys Edition number 4 from Volume 13 (2020) presents 6 (six) papers, being two papers accepted as extended versions from BraSNAM 2019 and four extended versions from SBSI 2019. 

BraSNAM 2019 Guest Editors: Raimundo Santos Moura e Giseli Rabello Lopes
SBSI 2019 Guest Editors: Rodrigo Pereira dos Santos e Davi Viana
Editors-in-chief: Rodrigo Pereira Santos e André Pimenta Freire