Rafael Timóteo de Sousa Júnior

Publication Activity (10 Years)

Years Active: 2002-2023
Publications (10 Years): 53

Top Topics

Business Intelligence

Partially Occluded

Model Order Selection

Public Administration

Top Venues

Trans. Emerg. Telecommun. Technol.

Publications

Francisco L. de Caldas Filho, Samuel Carlos Meneses Soares, Elder Oroski, Robson de Oliveira Albuquerque, Rafael Zerbini Alves da Mata, Fábio Lúcio Lopes de Mendonça, Rafael Timóteo de Sousa Júnior
Botnet Detection and Mitigation Model for IoT Networks Using Federated Learning. Sensors 23 (14) (2023)
Jonathas A. de Oliveira, Vinícius P. Gonçalves, Rodolfo Ipolito Meneguette, Rafael Timóteo de Sousa Júnior, Daniel L. Guidoni, José C. M. Oliveira, Geraldo P. Rocha Filho
F-NIDS - A Network Intrusion Detection System based on federated learning. Comput. Networks 236 (2023)
Vanessa Coelho Ribeiro, Jeanne Louize Emygdio, Guilherme Pereira Paiva, Bruno Justino Garcia Praciano, Valério Aymoré Martins, Edna Dias Canedo, Fábio Lúcio Lopes de Mendonça, Rafael Timóteo de Sousa Júnior, Ricardo Staciarini Puttini
Natural Language Processing Applied in the Context of Economic Defense: A Case Study in a Brazilian Federal Public Administration Agency. ICEIS (1) (2023)
Giovanni Almeida Santos, Guilherme De Guy Andrade, Geovana Ramos Sousa Silva, Francisco Carlos Molina Duarte Júnior, João Paulo Carvalho Lustosa da Costa, Rafael Timóteo de Sousa Júnior
A Conversation-Driven Approach for Chatbot Management. IEEE Access 10 (2022)
Edna Dias Canedo, Ana Paula Morais do Vale, Rogério Machado Gravina, Alessandra de Vasconcelos Sales, Bruno J. G. Praciano, Vinicius Eloy dos Reis, Fábio Lúcio Lopes de Mendonça, Rafael Timóteo de Sousa Júnior
ICT Governance and Management Macroprocesses of a Brazilian Federal Government Agency. Inf. 13 (5) (2022)
José Alberto Sousa Torres, Paulo Henrique dos Santos, Daniel Alves da Silva, Carlos Eduardo Lacerda Veiga, Márcio Bastos Medeiros, Guilherme Fay Verqara, Fábio Lúcio Lopes de Mendonça, Rafael Timóteo de Sousa Júnior
Using spatial data and cluster analysis to automatically detect non-trivial relationships between environmental transgressors. ICDM (Workshops) (2022)
Igor Forain, Robson de Oliveira Albuquerque, Rafael Timóteo de Sousa Júnior
REVS: A Vulnerability Ranking Tool for Enterprise Security. ICEIS (2) (2022)
Rodrigo Fay Verqara, Paulo Henrique dos Santos, Guilherme Fay Verqara, Fábio Lúcio Lopes de Mendonça, Carlos Eduardo Lacerda Veiga, Bruno Justino Garcia Praciano, Daniel Alves da Silva, Rafael Timóteo de Sousa Júnior
A study of automatic speech recognition in Portuguese by the Brazilian General Attorney of the Union. ICDM (Workshops) (2022)
Eduardo Magalhães De Lacerda Filho, Geraldo Pereira Rocha Filho, Rafael Timóteo de Sousa Júnior, Vinícius P. Gonçalves
Improving Data Security, Privacy, and Interoperability for the IEEE Biometric Open Protocol Standard. IEEE Access 10 (2022)
Alexandre Pinheiro, Edna Dias Canedo, Robson de Oliveira Albuquerque, Rafael Timóteo de Sousa Júnior
Validation of Architecture Effectiveness for the Continuous Monitoring of File Integrity Stored in the Cloud Using Blockchain and Smart Contracts. Sensors 21 (13) (2021)
Priscila Morais Argôlo Bonfim Estrela, Robson de Oliveira Albuquerque, Dino Macedo Amaral, William Ferreira Giozza, Rafael Timóteo de Sousa Júnior
A Framework for Continuous Authentication Based on Touch Dynamics Biometrics for Mobile Banking Applications. Sensors 21 (12) (2021)
Fernando Rocha Moreira, Demétrio Antônio Da Silva Filho, Georges Daniel Amvame Nze, Rafael Timóteo de Sousa Júnior, Rafael Rabelo Nunes
Evaluating the Performance of NIST's Framework Cybersecurity Controls Through a Constructivist Multicriteria Methodology. IEEE Access 9 (2021)
Edna Dias Canedo, Vanessa Coelho Ribeiro, Ana Paula de Aguiar Alarcão, Lucas Alexandre Carvalho Chaves, Johann Nicholas Reed, Fábio Lúcio Lopes de Mendonça, Rafael Timóteo de Sousa Júnior
Challenges Regarding the Compliance with the General Data Protection Law by Brazilian Organizations: A Survey. ICCSA (3) (2021)
Edna Dias Canedo, Pedro Thiago Rocha de Alcântara, Leomar Camargo de Souza, Luis Henrique Vieira Amaral, Rafael Timóteo de Sousa Júnior, Georges Daniel Amvame Nze
People management: modelling the work of an ICT team in a coordination and governance organisation of state-owned enterprises. Int. J. Bus. Process. Integr. Manag. 10 (3/4) (2021)
Redge Melroy Castelino, Gabriel Passos Moreira Pinheiro, Bruno Justino Garcia Praciano, Giovanni Almeida Santos, Lothar Weichenberger, Rafael Timóteo de Sousa Júnior
Improving the Accuracy of Pedestrian Detection in Partially Occluded or Obstructed Scenarios. ACIT (2020)
Eder Souza Gualberto, Rafael Timóteo de Sousa Júnior, Thiago Pereira de Brito Vieira, João Paulo C. L. da Costa, Cláudio Gottschalg-Duque
From Feature Engineering and Topics Models to Enhanced Prediction Rates in Phishing Detection. IEEE Access 8 (2020)
Eder Souza Gualberto, Rafael Timóteo de Sousa Júnior, Thiago Pereira de Brito Vieira, João Paulo Carvalho Lustosa da Costa, Cláudio Gottschalg-Duque
The Answer is in the Text: Multi-Stage Methods for Phishing Detection Based on Feature Engineering. IEEE Access 8 (2020)
Guilherme De Guy Andrade, Geovana Ramos Sousa Silva, Francisco Carlos Molina Duarte Júnior, Giovanni Almeida Santos, Fábio Lúcio Lopes de Mendonça, Rafael Timóteo de Sousa Júnior
EvaTalk: A Chatbot System for the Brazilian Government Virtual School. ICEIS (1) (2020)
Alexandre Pinheiro, Edna Dias Canedo, Rafael Timóteo de Sousa Júnior, Robson de Oliveira Albuquerque
Monitoring File Integrity Using Blockchain and Smart Contracts. IEEE Access 8 (2020)
Gildásio Antonio de Oliveira Júnior, Robson de Oliveira Albuquerque, César Augusto Borges de Andrade, Rafael Timóteo de Sousa Júnior, Ana Lucila Sandoval Orozco, Luis Javier García-Villalba
Anonymous Real-Time Analytics Monitoring Solution for Decision Making Supported by Sentiment Analysis. Sensors 20 (16) (2020)
Joao Paulo Abreu Maranhao, João Paulo Carvalho Lustosa da Costa, Edison Pignaton de Freitas, Elnaz Javidi, Rafael Timóteo de Sousa Júnior
Error-Robust Distributed Denial of Service Attack Detection Based on an Average Common Feature Extraction Technique. Sensors 20 (20) (2020)
Murilo Coutinho, Rafael Timóteo de Sousa Júnior, Fábio Borges
Continuous Diffusion Analysis. IEEE Access 8 (2020)
Ricardo Kehrle Miranda, João Paulo C. L. da Costa, Binghua Guo, André L. F. de Almeida, Giovanni Del Galdo, Rafael Timóteo de Sousa Júnior
Low-Complexity and High-Accuracy Semi-blind Joint Channel and Symbol Estimation for Massive MIMO-OFDM. Circuits Syst. Signal Process. 38 (3) (2019)
Marcos T. de Oliveira, Ricardo Kehrle Miranda, João Paulo C. L. da Costa, André L. F. de Almeida, Rafael Timóteo de Sousa Júnior
Low Cost Antenna Array Based Drone Tracking Device for Outdoor Environments. Wirel. Commun. Mob. Comput. 2019 (2019)
Edna Dias Canedo, Ruyther Parente da Costa, Luis Henrique Vieira Amaral, Moramay Coutinho, Georges Daniel Amvame Nze, Rafael Timóteo de Sousa Júnior
Proposal of an Implementation Methodology of ICT Processes. Inf. 10 (11) (2019)
Daniel C. Araujo, André Lima Férrer de Almeida, João Paulo C. L. da Costa, Rafael Timóteo de Sousa Júnior
Corrections to "Tensor-Based Channel Estimation for Massive MIMO-OFDM Systems". IEEE Access 7 (2019)
Ruyther Parente da Costa, Edna Dias Canedo, Rafael Timóteo de Sousa Júnior, Robson de Oliveira Albuquerque, Luis Javier García-Villalba
Set of Usability Heuristics for Quality Assessment of Mobile Applications on Smartphones. IEEE Access 7 (2019)
João Victor Poletti, Lucas Mauricio Castro e Martins, Samuel Almeida, Maristela Holanda, Rafael Timóteo de Sousa Júnior
A Real Data Analysis in an Internet of Things Environment. IoTBDS (2019)
Edna Dias Canedo, Ruyther Parente da Costa, Rafael Timóteo de Sousa Júnior, Georges Daniel Amvame Nze
Best Practices Kits for the ICT Governance Process within the Secretariat of State-Owned Companies of Brazil and Regarding these Public Companies. Inf. 9 (6) (2018)
Alexandre Pinheiro, Edna Dias Canedo, Rafael Timóteo de Sousa Júnior, Robson de Oliveira Albuquerque, Luis Javier García-Villalba, Tai-Hoon Kim
Security Architecture and Protocol for Trust Verifications Regarding the Integrity of Files Stored in Cloud Services. Sensors 18 (3) (2018)
Bruno Justino Garcia Praciano, João Paulo Carvalho Lustosa da Costa, Joao Paulo Abreu Maranhao, Fábio Lúcio Lopes de Mendonça, Rafael Timóteo de Sousa Júnior, Juliano Barbosa Prettz
Spatio-Temporal Trend Analysis of the Brazilian Elections Based on Twitter Data. ICDM Workshops (2018)
Marcone Pereira de Almeida, Rafael Timóteo de Sousa Júnior, Luis Javier García-Villalba, Tai-Hoon Kim
New DoS Defense Method Based on Strong Designated Verifier Signatures. Sensors 18 (9) (2018)
Angela Maria Cristina Clara, Edna Dias Canedo, Rafael Timóteo de Sousa Júnior
A synthesis of common guidelines for regulatory compliance verification in the context of ICT governance audits. Inf. Polity 23 (2) (2018)
Ruben Cruz Huacarpuma, Rafael Timóteo de Sousa Júnior, Maristela Terto de Holanda, Robson de Oliveira Albuquerque, Luis Javier García-Villalba, Tai-Hoon Kim
Distributed Data Service for Data Management in Internet of Things Middleware. Sensors 17 (5) (2017)
Alberto Magno Muniz Soares, Rafael Timóteo de Sousa Júnior
Forensic Analysis of Android Runtime (ART) Application Heap Objects in Emulated and Real Devices. ICISSP (Revised Selected Papers) (2017)
Tatiana Galibus, Thiago Pereira de Brito Vieira, Edison Pignaton de Freitas, Robson de Oliveira Albuquerque, João Paulo Carvalho Lustosa da Costa, Rafael Timóteo de Sousa Júnior, Viktor Krasnoproshin, Anton Zaleski, H. E. R. M. Vissia, Giovanni Del Galdo
Offline Mode for Corporate Mobile Client Security Architecture. Mob. Networks Appl. 22 (4) (2017)
Thiago Pereira de Brito Vieira, Danilo F. Tenório, João Paulo C. L. da Costa, Edison Pignaton de Freitas, Giovanni Del Galdo, Rafael Timóteo de Sousa Júnior
Model order selection and eigen similarity based framework for detection and identification of network attacks. J. Netw. Comput. Appl. 90 (2017)
Angela Maria Cristina Clara, Edna Dias Canedo, Rafael Timóteo de Sousa Júnior
Elements that Orient the Regulatory Compliance Verification Audits on ICT Governance. DG.O (2017)
Devendra Singh Gurjar, Prabhat Kumar Upadhyay, Daniel Benevides da Costa, Rafael Timóteo de Sousa Júnior
Beamforming in Traffic-Aware Two-Way Relay Systems With Channel Estimation Error and Feedback Delay. IEEE Trans. Veh. Technol. 66 (10) (2017)
Yosbel R. Ortega, Prabhat K. Upadhyay, Daniel Benevides da Costa, Petros S. Bithas, Athanasios G. Kanatas, Ugo Silva Dias, Rafael Timóteo de Sousa Júnior
Joint effect of jamming and noise in wiretap channels with multiple antennas. IWCMC (2017)
Minh-Nghia Nguyen, Nam-Phong Nguyen, Daniel Benevides da Costa, Huu-Khuong Nguyen, Rafael Timóteo de Sousa Júnior
Secure Cooperative Half-Duplex Cognitive Radio Networks With K-th Best Relay Selection. IEEE Access 5 (2017)
Hiro Gabriel Cerqueira Ferreira, Rafael Timóteo de Sousa Júnior
Security analysis of a proposed internet of things middleware. Clust. Comput. 20 (1) (2017)
José Alberto Sousa Torres, Glaidson Menegazzo Verzeletti, Rodrigo Távora, Rafael Timóteo de Sousa Júnior, Emerson Ribeiro de Mello, Michelle Silva Wangham
A National Identity Management Strategy to Enhance the Brazilian Electronic Government. CLEI Electron. J. 20 (3) (2017)
Yosbel R. Ortega, Prabhat K. Upadhyay, Daniel Benevides da Costa, Petros S. Bithas, Athanasios G. Kanatas, Ugo Silva Dias, Rafael Timóteo de Sousa Júnior
Joint effect of jamming and noise on the secrecy outage performance of wiretap channels with feedback delay and multiple antennas. Trans. Emerg. Telecommun. Technol. 28 (11) (2017)
Caio César de Melo Silva, Hiro Gabriel Cerqueira Ferreira, Rafael Timóteo de Sousa Júnior, Fábio Buiati, Luis Javier García-Villalba
Design and Evaluation of a Services Interface for the Internet of Things. Wirel. Pers. Commun. 91 (4) (2016)
Bruno F. Carvalho, Caio César de Melo Silva, Alessandra M. Silva, Fábio Buiati, Rafael Timóteo de Sousa Júnior
Evaluation of an Arduino-based IoT Person Counter. IoTBD (2016)
Daniel Benevides da Costa, Nuwan S. Ferdinand, Ugo Silva Dias, Rafael Timóteo de Sousa Júnior, Matti Latva-aho
wiretap channels with optimal TAS and different antenna schemes. Trans. Emerg. Telecommun. Technol. 27 (6) (2016)
Thiago Felippe K. Cordeiro, João Paulo C. L. da Costa, Rafael Timóteo de Sousa Júnior, Hing-Cheung So, Geovany A. Borges
Improved Kalman-based attitude estimation framework for UAVs via an antenna array. Digit. Signal Process. 59 (2016)
Yosbel R. Ortega, Nuwan S. Ferdinand, Daniel Benevides da Costa, Ugo Silva Dias, Rafael Timóteo de Sousa Júnior
MISO TAS wiretap channels with jamming and noise at the eavesdropper. ICT (2016)
Robson de Oliveira Albuquerque, Luis Javier García-Villalba, Ana Lucila Sandoval Orozco, Rafael Timóteo de Sousa Júnior, Tai-Hoon Kim
Leveraging information security and computational trust for cybersecurity. J. Supercomput. 72 (10) (2016)
Haiyang Ding, Daniel Benevides da Costa, Xiaodong Wang, Ugo Silva Dias, Rafael Timóteo de Sousa Júnior, Jianhua Ge
On the Effects of LOS Path and Opportunistic Scheduling in Energy Harvesting Relay Systems. IEEE Trans. Wirel. Commun. 15 (12) (2016)
Bruno H. A. Pilon, Juan José Murillo-Fuentes, João Paulo Carvalho Lustosa da Costa, Rafael Timóteo de Sousa Júnior, Antonio Manuel Rubio Serrano
Gaussian Process for Regression in Business Intelligence: A Fraud Detection Application. KMIS (2015)
Bruno H. A. Pilon, Juan José Murillo-Fuentes, João Paulo C. L. da Costa, Rafael Timóteo de Sousa Júnior, Antonio Manuel Rubio Serrano
Predictive Analytics in Business Intelligence Systems via Gaussian Processes for Regression. IC3K (2015)
Hiro Gabriel Cerqueira Ferreira, Edna Dias Canedo, Rafael Timóteo de Sousa Júnior
A ubiquitous communication architecture integrating transparent UPnP and REST APIs. Int. J. Embed. Syst. 6 (2/3) (2014)
Marco Antonio Marques Marinho, Edison Pignaton de Freitas, João Paulo Carvalho Lustosa da Costa, Rafael Timóteo de Sousa Júnior
Sensor Localization via Diversely Polarized Antennas. DCOSS (2014)
Wanderson Paim de Jesus, Daniel Alves da Silva, Rafael Timóteo de Sousa Júnior, Francisco Vitor Lopes da Frota
Analysis of SDN Contributions for Cloud Computing Security. UCC (2014)
Renata Jordao, Valério Aymoré Martins, Fábio Buiati, Rafael Timóteo de Sousa Júnior, Flavio E. de Deus
Secure data storage in distributed cloud environments. IEEE BigData (2014)
Ricardo Kehrle Miranda, João Paulo Carvalho Lustosa da Costa, Marco A. M. Marinho, Edison Pignaton de Freitas, Rafael de Freitas Ramos, Kefei Liu, Hing-Cheung So, Leonardo Gomes Baltar, Rafael Timóteo de Sousa Júnior
Evaluation of Space-Time-Frequency (STF)-Coded MIMO-OFDM Systems in Realistic Channel Models. AINA Workshops (2014)
Marco A. M. Marinho, Ronaldo S. Ferreira Jr., João Paulo Carvalho Lustosa da Costa, Edison Pignaton de Freitas, Felix Antreich, Kefei Liu, Hing-Cheung So, Rafael Timóteo de Sousa Júnior, Ricardo Zelenovsky
Antenna Array Based Positioning Scheme for Unmanned Aerial Vehicles. WSA (2013)
Marco A. M. Marinho, Edison Pignaton de Freitas, João Paulo Carvalho Lustosa da Costa, Rafael Timóteo de Sousa Júnior
Synchronization for Cooperative MIMO in Wireless Sensor Networks. NEW2AN (2013)
Kefei Liu, João Paulo Carvalho Lustosa da Costa, Hing-Cheung So, Rafael Timóteo de Sousa Júnior
Iterative prewhitening for multidimensional harmonic retrieval: New variants and comparative study. CAMSAP (2013)
Kefei Liu, João Paulo Carvalho Lustosa da Costa, Hing-Cheung So, Florian Roemer, Lei Huang, Rafael Timóteo de Sousa Júnior
On the use of order selection rules for accurate parameter estimation in threshold region. EUSIPCO (2013)
Marco A. M. Marinho, Edison Pignaton de Freitas, João Paulo Carvalho Lustosa da Costa, André Lima Férrer de Almeida, Rafael Timóteo de Sousa Júnior
Using MIMO Techniques to Enhance Communication Among Static and Mobile Nodes in Wireless Sensor Networks. AINA (2013)
Hiro Gabriel Cerqueira Ferreira, Edna Dias Canedo, Rafael Timóteo de Sousa Júnior
IoT architecture to enable intercommunication through REST API and UPnP using IP, ZigBee and arduino. WiMob (2013)
Edison Pignaton de Freitas, Ivan Müller, Rodrigo Schmidt Allgayer, Carlos Eduardo Pereira, André Cavalcante, João Paulo Carvalho Lustosa da Costa, Rafael Timóteo de Sousa Júnior, Marco A. M. Marinho
Intelligent and Flexible Manufacturing Product Line Supported by Agents and Wireless Sensor and Actuator Network. MIM (2013)
Asmaa Adnane, Christophe Bidan, Rafael Timóteo de Sousa Júnior
Trust-based security for the OLSR routing protocol. Comput. Commun. 36 (10-11) (2013)
Edna Dias Canedo, Rafael Timóteo de Sousa Júnior, Robson de Oliveira Albuquerque, Fábio Lúcio Lopes de Mendonça
File Exchange in a Private Cloud Supported by a Trust Model. CyberC (2012)
Rafael Timóteo de Sousa Júnior, Edna Dias Canedo, Robson de Oliveira Albuquerque, Flavio Elias Gomes de Deus
File Exchange in Cloud. TrustCom (2012)
Edna Dias Canedo, Rafael Timóteo de Sousa Júnior, Rhandy Rafhael de Carvalho, Robson de Oliveira Albuquerque
Trust model for private cloud. CyberSec (2012)
Ararigleno Almeida Fernandes, Lucas Costa Amaro, João Paulo Carvalho Lustosa da Costa, Antonio Manuel Rubio Serrano, Valério Aymoré Martins, Rafael Timóteo de Sousa Júnior
Construction of Ontologies by Using Concept Maps: A Study Case of Business Intelligence for the Federal Property Department. BIFE (2012)
Valério Aymoré Martins, João Paulo Carvalho Lustosa da Costa, Rafael Timóteo de Sousa Júnior
Architecture of a Collaborative Business Intelligence Environment based on an Ontology Repository and Distributed Data Services. KMIS (2012)
João Paulo Carvalho Lustosa da Costa, Florian Roemer, Dominik Schulz, Rafael Timóteo de Sousa Júnior
Subspace based multi-dimensional model order selection in colored noise scenarios. ITW (2011)
Asmaa Adnane, Christophe Bidan, Rafael Timóteo de Sousa Júnior
Trust-Based Countermeasures for Securing OLSR Protocol. CSE (2) (2009)
Robson de Oliveira Albuquerque, Luis Javier García-Villalba, Rafael Timóteo de Sousa Júnior
Enhancing an Integer Challenge-Response Protocol. ICCSA (2) (2008)
Dayse de Mello Benzi, Rafael Timóteo de Sousa Júnior, Christophe Bidan, Ludovic Mé
Model for Trust within Information Technology Management. ICEIS (2) (2008)
Asmaa Adnane, Rafael Timóteo de Sousa Júnior, Christophe Bidan, Ludovic Mé
Analysis of the implicit trust within the OLSR protocol. IFIPTM (2007)
Robson de Oliveira Albuquerque, Fábio Buiati, L. Javier García-Villalba, Daniel Silva Almendra, Leonardo Lobo Pulcineli, Rafael Timóteo de Sousa Júnior, Cláudia J. Barenco Abbas
Proposal of a System for Searching and Indexing Heterogeneous Vulnerabilities Databases. ICCSA (5) (2006)
Robson de Oliveira Albuquerque, Maíra Hanashiro, Rafael Timóteo de Sousa Júnior, Cláudia J. Barenco Abbas, Luis Javier García-Villalba
MANET - Auto Configuration with Distributed Certification Authority models Considering Routing Protocols Usage. WOSIS (2005)
Robson de Oliveira Albuquerque, Daniel Silva Almendra, Leonardo Lobo Pulcineli, Rafael Timóteo de Sousa Júnior, Cláudia J. Barenco Abbas, Luis Javier García-Villalba
SisBrAV - Brazilian Vulnerability Alert System. WOSIS (2005)
Ricardo Staciarini Puttini, Ludovic Mé, Rafael Timóteo de Sousa Júnior
Preventive and Corrective Protection for Mobile Ad Hoc Network Routing Protocols. WONS (2004)
Ricardo Staciarini Puttini, Jean-Marc Percher, Ludovic Mé, Olivier Camp, Rafael Timóteo de Sousa Júnior, Cláudia J. Barenco Abbas, L. Javier García-Villalba
A Modular Architecture for Distributed IDS in MANET. ICCSA (3) (2003)
Gilseno de Souza Nunes Ribeiro, Rafael Timóteo de Sousa Júnior
Webquest: An Internet Based Collaborative Learning Environment. ICWI (2002)