Papers Accepted for Publications:
Ivson Borges, Gustavo Callou, Francisco Airton. Performance evaluation and energy consumption of a video surveillance system with distributed storage CISTI 2023.

Thiago Valentim, Gustavo Callou, Alison dos Santos Neto, Cleunio, Eduardo Tavares. Availability Assessment of Internet of Medical Things Architecture using Private Cloud SEMISH 2023.

Alison da Silva, Gustavo Callou, Thiago Valentim, Jamilson Dantas. Análise de Desempenho de Servidores de Arquivos em Nuvem Privada. SEMISH 2023.

Osvaldo dos Santos Neto, Gustavo Callou. Avaliação do impacto de rotas aditivas de tráfego sobre indicadores de desempenho e disponibilidade de sistemas metro-ferroviários. SEMISH 2023.

Papers in Proceedings of Conferences:
Carlos Pinto Neto, Euclides; Callou, Gustavo. An Approach based on vSDN to Optimize Power Consumption. SoftCom, 2022.

Herderson Couto, Gustavo Callou, Francisco Airton, Ermeson Andrade. Uma Abordagem Experimental para Avaliar o Desempenho do Banco de Dados Open-Source PostgreSQL. X ERI-GO, 2022.

Taciano Amorim, Gustavo Callou, Saulo Pereira, Anderson Santos. Utilizando rede LSTM para predição de ações de vários setores econômicos da bolsa de valores. XI Simpósio Brasileiro de Tecnologia da Informação (SBTI), 2022.

Sobrinho, Francisco; Callou, Gustavo; Leonardo, Wenderson; Nogueira, Bruno. Uma Estratégia de Otimização Baseada no MOPSO Aplicada em Subsistemas Elétricos de Data Centers. CSBC 2022 – XLII Congresso da Sociedade Brasileira de Computação (WPerformance), 2022.

CUNHA, A.; Callou, Gustavo; SOUSA, E.; TAVARES, E. Modelagem Hierárquica e Heterogênea para Avaliação de Disponibilidade de Aplicações Big Data na Nuvem Privada. CSBC 2021 – XLI Congresso da Sociedade Brasileira de Computação (WPerformance), 2021. Best Conference Paper!

CARVALHO, V.; QUEIROZ, E.; MENDONCA, J.; Callou, Gustavo; Andrade, E. Avaliação de Desempenho de Modelos Deep Learning para Deteção de Intrusão em Dispositivos IoT. CSBC 2021 – XLI Congresso da Sociedade Brasileira de Computação (WPerformance), 2021.

Callou, Gustavo; Andrade, Ermeson ; FERREIRA, JOAO . Modeling and Analyzing Availability, Cost and Sustainability of IT Data Center Systems. In: 2019 IEEE International Conference on Systems, Man and Cybernetics (SMC), 2019, Bari. 2019 IEEE International Conference on Systems, Man and Cybernetics (SMC), 2019. v. v. p. 2127.

LIMA, C. ; G.OLIVEIRA, E. ; Callou, Gustavo ; G. Cysneiro . Desenvolvimento de um Protótipo de Identificação do Nível de Escrita para Dispositivos Móveis: uma Ferramenta de Sondagem no Ensino. In: Ctrl+e 2019 - IV Congresso sobre Tecnologias na Educação, 2019, Recife. Anais do Ctrl+e 2019 - IV Congresso sobre Tecnologias na Educação. Recife, 2019.

Gomes, Alison ; LIMA, C. ; Callou, Gustavo . Análise de Desempenho do Ambiente Virtual de Aprendizagem na Nuvem Privada Apache CloudStack. In: VIII Simpósio Brasileiro de Tecnologia da Informação, 2019, Recife. Anais do VIII Simpósio Brasileiro de Tecnologia da Informação, 2019. Best Conference Paper!

MENDONCA, J. ; QUEIROZ, E. ; Andrade, E. ; Callou, Gustavo. Analisando o Backup-as-a-Service como uma Estratégia de Recuperação de Desastres. In: IX Brazilian Symposium on Computing Systems Engineering, 2019, Natal. Anais do IX Brazilian Symposium on Computing Systems Engineering, 2019. v. v. p. 1.

FERREIRA, JOAO ; Callou, Gustavo ; JOSUA, ALBERT ; Maciel, Paulo. Estimating the Environmental Impact of Data Centers. In: 2018 IEEE 17th International Symposium on Network Computing and Applications (NCA), 2018, Cambridge. 2018 IEEE 17th International Symposium on Network Computing and Applications (NCA), 2018. v. v. p. 1.

BARROS, J. ; Callou, G. ; GONCALVES, G. Análise Integrada de Desempenho e Consumo de Energia em Sistemas de Armazenamento de Dados Distribuídos. In: Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos - Workshop em Clouds e Aplicações, 2017, Belém. Anais do WCGA. Porto Alegre: Sociedade Brasileira de Computação, 2017. v. XV. p. 87-100.

NETO, EUCLIDES C. PINTO ; Callou, Gustavo ; Aires, Fernando. An algorithm to optimise the load distribution of fog environments. In: 2017 IEEE International Conference on Systems, Man and Cybernetics (SMC), 2017, Banff. 2017 IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2017. v. v. p. 1292-6.

OLIVEIRA, DANILO ; MATOS, RUBENS ; DANTAS, JAMILSON ; FERREIRA, JOÃO ; Silva, Bruno ; Callou, Gustavo ; Maciel, Paulo ; BRINKMANN, ANDRÉ. Advanced Stochastic Petri Net Modeling with the Mercury Scripting Language. In: the 11th EAI International Conference, 2017, Venice. Proceedings of the 11th EAI International Conference on Performance Evaluation Methodologies and Tools - VALUETOOLS 2017, 2017. v. v. p. 192.

BEZERRA TORRES, ELTON ; Callou, Gustavo ; ALVES, GABRIEL ; ACCIOLY, JOSE ; GUSTAVO, HALLYSON . Performance and availability evaluation of storage services in private cloud. In: 2016 11th Iberian Conference on Information Systems and Technologies (CISTI), 2016, Gran Canaria. 2016 11th Iberian Conference on Information Systems and Technologies (CISTI), 2016. p. 1.

TORRES, ELTON ; Callou, Gustavo ; ALVES, GABRIEL ; ACCIOLY, JOSE ; GUSTAVO, HALLYSON . Storage services in private clouds: Analysis, performance and availability modeling. In: 2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2016, Budapest. 2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2016. v. V. p. 003288.

OLIVEIRA, D. M. ; LOBO JUNIOR, A. ; SILVA, F. A. P. ; Callou, Gustavo ; SOUSA, I. ; ALVES, V. ; MACIEL, P. ; WORTH, STEPHEN ; COPOSKY, J. NFS-RODS: A Tool for Accessing iRODS Repositories via the NFS Protocol. In: iRODS User Group Meeting, 2016, North Carolina. Proceedings of iRODS User Group Meeting, 2016. v. v. p. 1.

NETO, EUCLIDES PINTO ; CARVALHO, D. ; CABRAL, G. ; ROLIM, F. ; MELLO, R. ; Callou, Gustavo . Identifying Marijuana Users Using Text Mining Techniques. In: XIII Encontro Nacional de Inteligência Artificial e Computacional, 2016, Recife. Anais do ENIAC 2016, 2016. v. v.

Silva, Bruno ; MATOS, R. ; Callou, Gustavo ; Figueiredo, Jair ; DANTAS, J. ; LOBO JUNIOR, A. ; ALVES, V. ; Maciel, Paulo . Mercury: An Integrated Environment for Performance and Dependability Evaluation of General Systems. In: Industry Track at 45th Dependable Systems and Networks Conference, 2015, Rio de Janeiro. Proceedings of 45th Dependable Systems and Networks Conference, 2015. v. v. p. 1-6.

FERREIRA, JOAO ; DANTAS, JAMILSON ; Araujo, Jean ; MENDONCA, DANILO ; Maciel, Paulo ; Callou, Gustavo . An Algorithm to Optimize Electrical Flows of Private Cloud Infrastructures. In: 2015 IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2015, Kowloon Tong. 2015 IEEE International Conference on Systems, Man, and Cybernetics. v. v. p. 771-6.

Silva, Bruno ; LOBO JUNIOR, A. ; OLIVEIRA, D. M. ; SILVA, F. A. P. ; Callou, Gustavo ; ALVES, V. ; Maciel, Paulo ; WORTH, STEPHEN ; COPOSKY, J. QRODS: A Qt library for iRODS data system access. In: iRODS User Group Meeting 2015, 2015, North Carolina. Proc. of iRODS User Group Meeting, 2015. v. v. p. 1-6.

MENDONCA, JULIO ; LIMA, RICARDO ; Andrade, Ermeson ; Callou, Gustavo . Assessing Performance and Energy Consumption in Mobile Applications. In: 2015 IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2015, Kowloon Tong. 2015 IEEE International Conference on Systems, Man, and Cybernetics. v. v. p. 74-6.

NETO, EUCLIDES PINTO ; Callou, Gustavo . An Approach Based on Ford-Fulkerson Algorithm to Optimize Network Bandwidth Usage. In: 2015 Brazilian Symposium on Computing Systems Engineering (SBESC), 2015, Foz do Iguacu. 2015 Brazilian Symposium on Computing Systems Engineering (SBESC). v. V. p. 76-4.

Araujo, Julian ; Maciel, Paulo ; TORQUATO, MATHEUS ; Callou, Gustavo ; Andrade, Ermeson . Availability Evaluation of Digital Library Cloud Services. In: 2014 44th Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), 2014, Atlanta. 2014 44th Annual IEEE/IFIP International Conference on Dependable Systems and Networks. p. 666.

Maciel, Paulo ; MATOS, RUBENS ; Callou, Gustavo ; Silva, Bruno ; Barreto, Daniel ; Araujo, Julian ; Araujo, Jean ; ALVES, VANDI ; WORTH, STEPHEN . Performance evaluation of sheepdog distributed storage system. In: 2014 IEEE International Conference on Systems, Man and Cybernetics SMC, 2014, San Diego. 2014 IEEE International Conference on Systems, Man, and Cybernetics (SMC). p. 3370.

FERREIRA, JOAO ; Callou, Gustavo ; DANTAS, JAMILSON ; SOUZA, RAFAEL ; Maciel, Paulo . An Algorithm to Optimize Electrical Flows. In: 2013 IEEE International Conference on Systems, Man and Cybernetics (SMC 2013), 2013, Manchester. 2013 IEEE International Conference on Systems, Man, and Cybernetics. v. v. p. 109.

SOUZA, RAFAEL ; Callou, Gustavo ; CAMBOIN, KADNA ; FERREIRA, JOAO ; Maciel, Paulo . The Effects of Temperature Variation on Data Center IT Systems. In: 2013 IEEE International Conference on Systems, Man and Cybernetics (SMC 2013), 2013, Manchester. 2013 IEEE International Conference on Systems, Man, and Cybernetics. v. v. p. 2354.

Callou, Gustavo; Maciel, Paulo ; Tutsch, Dietmar ; Araujo, Julian . Models for dependability and sustainability analysis of data center cooling architectures. In: 2012 IEEE/IFIP 42nd International Conference on Dependable Systems and Networks Workshops (DSNW), 2012, Boston. IEEE/IFIP International Conference on Dependable Systems and Networks Workshops (DSN 2012), 2012. p. 1-6.

Callou, Gustavo; Sousa, Erica ; Maciel, Paulo ; Tavares, Eduardo ; Silva, Bruno ; Figueiredo, Jair ; Araujo, Carlos ; MAGNANI, F. ; Neves, Francisco . A Formal Approach to the Quantification of Sustainability and Dependability Metrics on Data Center Infrastructures. In: Symposium on Theory of Modeling and Simulation, 2011, Boston. Proceedings of the 2011 Symposium on Theory of Modeling and Simulation, 2011. v. v. p. 1-1.

Callou, Gustavo; MACIEL, P. ; MAGNANI, F. ; Figueiredo, Jair ; SOUSA, E. ; TAVARES, E. ; Silva, B. ; Neves, Francisco ; Araújo, Carlos . Estimating Sustainability Impact, Total Cost of Ownership and Dependability Metrics on Data Center Infrastructures. In: IEEE International Symposium on Sustainable Systems and Technology, 2011, Chicago. Proceedings of the 2011 IEEE International Symposium on Sustainable Systems and Technology. New York: IEEE, 2011. p. 1-6. Best Conference Paper!

Callou, Gustavo; Maciel, Paulo ; MAGNANI, F. ; TAVARES, E. ; Sousa, Erica ; Silva, B. ; Figueiredo, Jair ; Araujo, Carlos ; Neves, Francisco . Sustainability and Dependability Evaluation on Data Center Architectures. In: IEEE International Conference on Systems, Man, and Cybernetics, 2011, Anchorage. Procedings of SMC2011. New York: IEEE, 2011. v. v. p. 1-6.

FIGUEIREDO, J. ; MACIEL, P. ; Callou, G. ; TAVARES, E. ; SOUSA, E. ; Silva, B. . Estimating reliability importance and total cost of acquisition for data center power infrastructures. In: 2011 IEEE International Conference on Systems, Man and Cybernetics SMC, 2011, Anchorage. 2011 IEEE International Conference on Systems, Man, and Cybernetics. v. v. p. 1-6.

MARWAH, M. ; MACIEL, P. ; SHAH, A. ; SHARMA, R. ; CHRISTIAN, T. ; ALMEIDA, V. ; ARAUJO, C. ; SOUSA, E. ; CALLOU, G. R. A. ; Silva, B. ; GALDINO, Sérgio Mário Lins ; PIRES, J. . Quantifying the Sustainability Impact of Data Center Availability. In: GreenMetrics 2009 Workshop, 2010, Seattle. Performance Evaluation Review, 2010. p. 64-68.

CALLOU, G. R. A.; SOUSA, E. ; MACIEL, P. ; ARAUJO, C. ; TAVARES, E. ; Silva, B. ; MAGNANI, F. ; MARWAH, M. ; SHARMA, R. ; CHRISTIAN, T. ; PIRES, J. . Impact Analysis of Maintenance Policies on Data Center Power Infrastructure. In: IEEE Conference on Systems, Man and Cybernetics (SMC2010), 2010, Istambul. Proceedings of SMC2010, 2010. p. 526-533.

Silva, B. ; MACIEL, P. ; TAVARES, E. ; ARAUJO, C. ; CALLOU, G. R. A. ; SOUSA, E. ; MARWAH, M. ; SHARMA, R. ; CHRISTIAN, T. ; PIRES, J. . ASTRO: A Tool for Dependability Evaluation of Data Center Infrastructures. In: IEEE Conference on Systems, Man and Cybernetics (SMC2010), 2010, Istambul. Proceedings of SMC2010, 2010. p. 783-790.

CALLOU, G. R. A.; MACIEL, P. ; CARNEIRO, E. ; NOGUEIRA, B. ; TAVARES, E. ; NOGUEIRA, M. . A Formal Approach for Estimating Embedded System Execution Time and Energy Consumption. In: International Workshop on Power And Timing Modeling, Optimization and Simulation, 2009, Lisboa. Lecture Notes in Computer Science, 2009. v. 5349. p. 379-388.

TAVARES, E. ; Dallegrave, P. ; Silva, B. ; CALLOU, G. R. A. ; NOGUEIRA, B. ; MACIEL, P. . A Hybrid DVS Scheduling Approach for Hard Real-Time Systems. In: IEEE International Conference on Systems, Man, and Cybernetics, 2009, San Antonio. Proceeddings of SMC, 2009.

Andrade, E. ; MACIEL, P. ; Falcão, F. ; NOGUEIRA, B. ; ARAUJO, C. ; CALLOU, G. R. A. . An Approach for Estimating Performance and Energy Consumption in Component-Based Embedded Real-Time Systems. In: International Conference on Formal Engineering Methods. In: 2nd International UML&FM workshop, 2009, Rio de Janeiro. Proceeding of 2nd International UML&FM workshop, 2009.

NOGUEIRA, B. ; MACIEL, P. ; TAVARES, E. ; Andrade, E. ; CALLOU, G. R. A. ; MASSA, R. . Performance and Energy Consumption Evaluation of Embedded Applications: A Method Based on Platform's Behavioral Model. In: International Symposium on Computer Architecture and High Performance Computing, 2009, São Paulo. Proceedings of the 21st International Symposium on International Symposium on Computer Architecture and High Performance Computing, 2009. p. 135-142.

CALLOU, G. R. A.; MACIEL, P. ; CARNEIRO, E. ; NOGUEIRA, B. ; TAVARES, E. . A Coloured Petri Net Based Approach for Estimating Execution Time and Energy Consumption in Embedded System. In: 21st Symposium on Integrated Circuits and Systems Design, 2008, Gramado. Proceedings of SBCCI 2008. New York: ACM, 2008. p. 134-139.

CARNEIRO, E. ; MACIEL, P. ; CALLOU, G. R. A. ; NOGUEIRA, B. ; TAVARES, E. . Mapping SysML State Machine Diagram to Time Petri Net for Analysis and Verification of Embedded Real-Time Systems with Energy Constraints. In: International Conference on Advances in Electronics and Micro-electronics, 2008, Valencia. Proceedings of the 2008 International Conference on Advances in Electronics and Micro-electronics. Washington: IEEE Computer Society, 2008. p. 1-6.

CARNEIRO, E. ; MACIEL, P. ; CALLOU, G. R. A. ; NOGUEIRA, B. . Mapping UML Interaction Overview Diagram to Time Petri Net for Analysis and Verification of Embedded Real-Time Systems with Energy Constraints. In: International Conference on Innovation in Software Engineering, 2008, Vienna. Proceedings of the 2008 International Conference on Computational Intelligence for Modelling Control & Automation. Washington: IEEE Computer Society, 2008. p. 615-620.

CARNEIRO, E. ; MACIEL, P. ; CALLOU, G. R. A. ; NOGUEIRA, B. . A Methodology for Mapping SysML Activity Diagram to Time Petri Net for Requirement Validation of Embedded Real-Time Systems with Energy Constraints. In: The Third International Conference on Digital Society, 2008, Cancun. Procedings of IARIA. Washington: IEEE Computer Society, 2008. v. 12. p. 266-271.

CARNEIRO, E. ; MACIEL, P. ; CALLOU, G. R. A. ; NOGUEIRA, B. ; Menezes, J. . Mapping UML Sequence Diagram to Time Petri Net for Requirement Validation of Embedded Real-Time Systems with Energy Constraints. In: 24th Annual ACM Symposium on Applied Computing, 2008, Hawaii. Proceedings of the 2009 ACM symposium on Applied Computing. New York: ACM, 2008. p. 377-381.