Mário M. Freire
         Full Professor (Professor Catedrático)

           Department of Computer Science, University of Beira Interior
           Rua Marquês de Ávila e Bolama, 6201-001 Covilhã, Portugal

           E-mail addresses: mfreire(at)computer.org  or  mfreire(at)acm.org  or  mario(at)di.ubi.pt



Articles in International Journals Listed in Scimago Journal & Country Rank or in Clarivate InCites Journal Citation Reports
"People judge you by your performance, so focus on the outcome. Be a yardstick of quality. Some people aren’t used to an environment where excellence is expected."

Steve Jobs (1955-2011), Computer businessman, designer and inventor.

Years 2020-today


SCImago Journal & Country Rank Chetna Gupta, Pedro R. M. Inácio and Mário M. Freire, Improving Software Maintenance with Improved Bug Triaging, Journal of King Saud University - Computer and Information Sciences (Elsevier). In press. Scimago Journal & Country Rank, Quartiles (2020): Q1 (Computer Science (miscellaneous)).
SCImago Journal & Country Rank André Prata Ferreira, Chetna Gupta, Pedro R. M. Inácio and Mário Freire, Behaviour-based Malware Detection in Mobile Android Platforms Using Machine Learning Algorithms, Journal of Wireless Mobile Networks, Ubiquitous Computing, and Dependable Applications (JoWUA), 12(4):62-88, December 2021. Scimago Journal & Country Rank, Quartiles (2020): Q2 (Computer Science (miscellaneous)).
SCImago Journal & Country Rank Musa G. Samaila, João B. F. Sequeiros, Carolina Lopes, Edi Aires, Tiago Simões, Mário M. Freire and Pedro R. M. Inácio, Performance Evaluation of the SRE and SBPG Components of the IoT Hardware Platform Security Advisor Framework, Computer Networks (Elsevier), Volume 199, Paper 108496, Pages 1-47, September 2021. Scimago Journal & Country Rank, Quartiles (2020): Q1 (Computer Networks and Communications).
SCImago Journal & Country Rank Chetna Gupta, Mário M Freire, A Decentralized Blockchain Oriented Framework for Automated Bug Assignment, Information and Software Technology (Elsevier), Volume 134, Paper 106540, Pages 1-4, June 2021. Scimago Journal & Country Rank, Quartiles (2019): Q2 (Computer Science Applications, Software, Information Systems).
SCImago Journal & Country Rank Vinícius de Miranda Rios, Pedro R.M. Inácio, Damien Magoni, Mário M. Freire, Detection of Reduction-of-Quality DDoS Attacks Using Fuzzy Logic and Machine Learning Algorithms, Computer Networks (Elsevier), Volume 186, Paper 107792, Pages 1-18, 26 February 2021. Scimago Journal & Country Rank, Quartiles (2020): Q1 (Computer Networks and Communications).
SCImago Journal & Country Rank João B. F. Sequeiros, Francisco T. Chimuco, Musa G. Samaila, Mário M. Freire, Pedro R M Inácio, Attack and System Modeling Applied to IoT, Cloud, and Mobile Ecosystems: Embedding Security by Design, ACM Computing Surveys, Volume 53, Issue 2, Article 25, Pages 1–32, March 2020. Scimago Journal & Country Rank, Quartiles (2020): Q1 (Computer Science (Miscellaneous), Theoretical Computer Science).
SCImago Journal & Country Rank Musa G. Samaila, João B. F. Sequeiros, Tiago Simões, Mário M. Freire, Pedro R. M. Inácio, IoT-HarPSecA: A Framework and Roadmap for Secure Design and Development of Devices and Applications in the IoT Space, IEEE Access, Volume 8, pages 16462–16494, January 2020. Scimago Journal & Country Rank, Quartiles (2020): Q1 (Computer Science (Miscellaneous)).

Years 2010-2019


Musa G. Samaila, Miguel Neto, Diogo A. B. Fernandes, Mário M. Freire, Pedro R. M. Inácio, Challenges of Securing Internet of Things Devices: A Survey, Security and Privacy (Wiley), Volume 1, 1:e20, Pages 1–32, March/April 2018.
SCImago Journal & Country Rank Manoel C. Silva Filho, Claudio C. Monteiro, Pedro R. M. Inácio, Mário M. Freire, Approaches for Optimizing Virtual Machine Placement and Migration in Cloud Environments: A Survey, Journal of Parallel and Distributed Computing (Elsevier), Volume 111, Pages 222–250, January 2018. Scimago Journal & Country Rank, Quartiles (2018): Q2 (Computer Science: Computer Networks and Communications; Hardware and Architecture, Software; Artificial Intelligence).
SCImago Journal & Country Rank Rui Costa Cardoso, Abel J. P. Gomes, Mario M. Freire, A User Trust System for Online Games – Part II: A Subjective Logic Approach for Trust Inference, IEEE Transactions on Computational Intelligence and AI in Games, Volume 9, Issue 4, Pages 354–368, December 2017. Scimago Journal & Country Rank, Quartiles (2017): Q2 (Computer Science: Artificial Intelligence; Software).
SCImago Journal & Country Rank Rui Costa Cardoso, Abel J. P. Gomes, Mario M. Freire, A User Trust System for Online Games – Part I: An Activity Theory Approach for Trust Representation, IEEE Transactions on Computational Intelligence and AI in Games, Volume 9, Issue 3, Pages 305–320, September 2017. Scimago Journal & Country Rank, Quartiles (2017): Q2 (Computer Science: Artificial Intelligence; Software).
SCImago Journal & Country Rank Diogo A. B. Fernandes, Mário M. Freire, Paulo A. P. Fazendeiro, and Pedro R. M. Inácio, Applications of Artificial Immune Systems to Computer Security: A Survey, Journal of Information Security and Applications (Elsevier), Volume 35, Pages 138–159, August 2017. Scimago Journal & Country Rank, Quartiles (2017): Q2 (Computer Science: Computer Networks and Communications; Software).
SCImago Journal & Country Rank Diogo A. B. Fernandes, Liliana F. B. Soares, João V. Gomes, Mário M. Freire, Pedro R. M. Inácio, Security Issues in Cloud Environments: A Survey, International Journal of Information Security (Springer), Volume 13, Issue 2, Pages 113–170, April 2014. Scimago Journal & Country Rank, Quartiles (2014): Q2 (Computer Science: Computer Networks and Communications; Information Systems; Software).
SCImago Journal & Country Rank Filipe Soares, Filipe Janela, Manuela Pereira, João Seabra and Mário M. Freire, Classification of Breast Masses on Contrast-Enhanced Magnetic Resonance Images Through Log Detrended Fluctuation Cumulant-Based Multifractal Analysis, IEEE Systems Journal, Volume 8, Issue 3, Pages 929–938, September 2014. Scimago Journal & Country Rank, Quartiles (2014): Q1 (Engineering: Electrical and Electronic Engineering).
SCImago Journal & Country Rank Filipe Soares, Filipe Janela, Manuela Pereira, João Seabra and Mário M. Freire, 3D Lacunarity in Multifractal Analysis of Breast Tumor Lesions in Dynamic Contrast-Enhanced Magnetic Resonance Imaging, IEEE Transactions on Image Processing, Volume 22, Issue 11, Pages 4422–4435, November 2013. Scimago Journal & Country Rank, Quartiles (2013): Q1 (Computer Science: Computer Graphics and Computer-Aided Design; Software).
SCImago Journal & Country Rank Przemyslaw Lenkiewicz, Manuela Pereira, Mário M. Freire and José Fernandes, The Whole Mesh Deformation Model: A Fast Image Segmentation Method Suitable for Effective Parallelization, EURASIP Journal on Advances in Signal Processing (Springer), 2013:55, Pages 1–17, December 2013. Open Access. Scimago Journal & Country Rank, Quartiles (2013): Q2 (Computer Science: Hardware and Architecture; Signal Processing).
SCImago Journal & Country Rank João V. Gomes, Pedro R. M. Inácio, Manuela Pereira, Mário M. Freire and Paulo P. Monteiro, Identification of Peer-to-Peer VoIP Sessions Using Entropy and Codec Properties, IEEE Transactions on Parallel and Distributed Systems, Volume 24, Issue 10, Pages 2004–2014, October 2013. Supplemental Material. Scimago Journal & Country Rank, Quartiles (2013): Q1 (Computer Science: Hardware and Architecture).
SCImago Journal & Country Rank
ACM DL Author-ize service João V. Gomes, Pedro R. M. Inácio, Manuela Pereira, Mário M. Freire, Paulo P. Monteiro, Detection and Classification of Peer-to-Peer Traffic: A Survey, ACM Computing Surveys, Volume 45, Number 3, Article 30, Pages 1–40, June 2013. Free Access. Scimago Journal & Country Rank, Quartiles (2013): Q1 (Computer Science: Miscellaneous).
SCImago Journal & Country Rank João V. Gomes, Pedro R. M. Inácio, Manuela Pereira, Mário M. Freire and Paulo P. Monteiro, Exploring Behavioral Patterns Through Entropy in Multimedia Peer-to-Peer Traffic, The Computer Journal (Oxford University Press), Volume 55, Issue 6, Pages 740–755, June 2012. Corrigendum, Volume 55, Issue 10, Page 1265, October 2012. Scimago Journal & Country Rank, Quartiles (2012): Q2 (Computer Science: Miscellaneous).
SCImago Journal & Country Rank
ACM DL Author-ize service Pedro R. M. Inácio, Mário M. Freire, Manuela Pereira, Paulo P. Monteiro, Fast Synthesis of Persistent Fractional Brownian Motion, ACM Transactions on Modeling and Computer Simulation (TOMACS), Volume 22, Issue 2, Article 11, Pages 1–21, March 2012. Free Access. Scimago Journal & Country Rank, Quartiles (2012): Q2 (Computer Science: Computer Science Applications).
SCImago Journal & Country Rank
ACM DL Author-ize service João V. P. Gomes, Pedro R. M. Inácio, Branka Lakic, Mário M. Freire, Henrique J. A. Da Silva, Paulo P. Monteiro, Source Traffic Analysis, ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP), Volume 6, Number 3, Article 21, Pages 1–23, August 2010. Free Access. Scimago Journal & Country Rank, Quartiles (2010): Q2 (Computer Science: Computer Networks and Communications; Hardware and Architecture).

Years 2000-2009


SCImago Journal & Country Rank Pedro R. M. Inácio, Branka Lakic, Mário M. Freire, Manuela Pereira, and Paulo P. Monteiro, The Design and Evaluation of the Simple Self-Similar Sequences Generator, Information Sciences (Elsevier), Volume 179, Issue 23, Pages 4029–4045, November 2009. Scimago Journal & Country Rank, Quartiles (2009): Q1 (Computer Science: Software, Computer Science Applications, Artificial Intelligence).
SCImago Journal & Country Rank Nuno M. Garcia, Paulo P. Monteiro, Mário M. Freire, José R. Santos, and Przemyslaw Lenkiewicz, A New Architectural Approach for Optical Burst Switching Networks Based on a Common Control Channel, Optical Switching and Networking (Elsevier), Volume 4, Issues 3–4, Pages 173–188, November 2007. Scimago Journal & Country Rank, Quartiles (2007): Q2 (Computer Science: Computer Networks and Communications; Engineering: Electrical and Electronic Engineering).
SCImago Journal & Country Rank Farid Farahmand, Vinod M. Vokkarane, Jason P. Jue, Joel J. P. C. Rodrigues, and Mário M. Freire, Optical Burst Switching Network: A Multi-layered Approach, Journal of High Speed Networks (IOS Press), Volume 16, Number 2, Pages 105–122, 2007. Scimago Journal & Country Rank, Quartiles (2007): Q4 (Computer Science: Computer Networks and Communications; Hardware and Architecture, Information Systems).
SCImago Journal & Country Rank Marek Hajduczenia, Pedro R. M. Inácio, Henrique J. A. da Silva, Mário M. Freire, and Paulo P. Monteiro, On EPON Security Issues, IEEE Communications Surveys and Tutorials, Volume 9, Issue 1, Pages 68–83, 2007. Scimago Journal & Country Rank, Quartiles (2007): Q1 (Engineering: Electrical and Electronic Engineering).
SCImago Journal & Country Rank Mário M. Freire and Henrique J. A. da Silva, Assessment of Blocking Performance in WDM Chordal Ring Networks, Journal of High Speed Networks (IOS Press), Volume 15, Number 4, Pages 415–432, 2006. Scimago Journal & Country Rank, Quartiles (2006): Q4 (Computer Science: Computer Networks and Communications; Hardware and Architecture, Information Systems).
SCImago Journal & Country Rank J. F. Rocha, A. T. Cartaxo, H. J. Silva, J. L. Pinto, A. L. Teixeira, A. S. Gameiro, P. P. Monteiro, J. O. Pires, R. S. Ribeiro, M. O. Violas, A. N. Pinto, M. N. Lima, P. S. André, M. M. Freire, A. L. Ribeiro, C. F. Fernandes, J. T. Pereira, J. M. Pousa, J. M. Santos, M. T. Almeida, A. R. Tavares, R. N. Nogueira, J. S. Machado, Optical Communications Research at Institute of Telecommunications, Fiber and Integrated Optics (Taylor & Francis), Volume 24, Issue 3-4, Pages 411-428, 2005. Erratum, Volume 25, Issue 4, Pages 323–324, 2006. Scimago Journal & Country Rank, Quartiles (2005): Q3 (Materials Science: Electronic, Optical and Magnetic Materials).
SCImago Journal & Country Rank Joel J. P. C. Rodrigues, Mário M. Freire, and Pascal Lorenz, Performance Implications of Meshing Degree for Optical Burst Switched Networks Using One-way Resource Reservation Protocols, Telecommunication Systems (Springer), Volume 30, Issue 1-3, Pages 35–47, November 2005. Scimago Journal & Country Rank, Quartiles (2005): Q2 (Engineering: Electrical and Electronic Engineering).
SCImago Journal & Country Rank Joel J. P. C. Rodrigues, Mário M. Freire, and Pascal Lorenz, Performance Assessment of Optical Burst Switching Ring and Chordal Ring Networks, Telecommunication Systems (Springer/Kluwer Academic Publishers), Volume 27, Issue 2-4, Pages 133–149, October 2004. Scimago Journal & Country Rank, Quartiles (2004): Q2 (Engineering: Electrical and Electronic Engineering).
SCImago Journal & Country Rank Mário M. Freire, Joel J. P. C. Rodrigues, and Rui M. F. Coelho, The Role of Network Topologies in the Optical Core of IP-over-WDM Networks with Static Wavelength Routing, Telecommunication Systems (Springer/Kluwer Academic Publishers), Volume 24, Issue 2-4, Pages 111–122, October 2003. Scimago Journal & Country Rank, Quartiles (2003): Q2 (Engineering: Electrical and Electronic Engineering).
SCImago Journal & Country Rank Mário M. Freire and Henrique J. A. da Silva, Assessment of Blocking Performance in Unidirectional and Bi-directional Wavelength Routed Ring Networks, Journal of High Speed Networks (IOS Press), Volume 12, Number 3/4, Pages 133–140, 2002. Scimago Journal & Country Rank, Quartiles (2002): Q1 (Computer Science: Computer Networks and Communications, Hardware and Architecture, Information Systems).

Years 1990-1999


SCImago Journal & Country Rank Mário M. Freire and Henrique J. A. da Silva, Estimation of Multiple-Quantum-Well Laser Parameters for Simulation of Dispersion Supported Transmission Systems at 20 Gbit/s, IEE Proceedings - Optoelectronics (now IET Optoelectronics), Volume 146, Number 2, Pages 93–98, August 1999. Scimago Journal & Country Rank, Quartiles (1999): Q1 (Engineering: Electrical and Electronic Engineering). ISI Impact Factor (1999): 0.826.
SCImago Journal & Country Rank Mário M. Freire, José A. R. Pacheco de Carvalho, Álvaro M. F. de Carvalho, and Henrique J. A. da Silva, Impact of Double Cavity FP Demultiplexers on the Performance of WDM Dispersion Supported Transmission, European Transactions on Telecommunications (now Transactions on Emerging Telecommunications Technologies, John Wiley & Sons), Volume 8, Issue 2, Pages 201–204, March/April 1997. Scimago Journal & Country Rank, Quartiles (1999): Q2 (Engineering: Electrical and Electronic Engineering). ISI Impact Factor (1997): 0.287.
SCImago Journal & Country Rank Mário M. Freire, Álvaro M. F. de Carvalho, and Henrique J. A. da Silva, Performance Implications of Three-Mirror Fabry-Perot Demultiplexers for 10-Gb/s WDM Dispersion-Supported Transmission with 0.5-nm Channel Spacing, IEEE Photonics Technology Letters, Volume 8, Issue 9, Pages 1261–1263, September 1996. Scimago Journal & Country Rank, Quartiles (1999): Q1 (Engineering: Electrical and Electronic Engineering). ISI Impact Factor (1996): 1.063.
SCImago Journal & Country Rank Mário M. Freire and Henrique J. A. da Silva, Performance Assessment of Two-Channel Dispersion-Supported Transmission Systems Using Single- and Double-Cavity Fabry-Perot Filters as Demultiplexers, IEEE Photonics Technology Letters, Volume 7, Issue 11, Pages 1360–1362, November 1995. Scimago Journal & Country Rank, Quartiles (1999): Q1 (Engineering: Electrical and Electronic Engineering). ISI Impact Factor (1995): 0.977.


“One of the problems of being a pioneer is you always make mistakes and I never, never want to be a pioneer. It’s always best to come second when you can look at the mistakes the pioneers made”.

Seymour Cray (1925-1996), Public Lecture at Lawrence Livermore Laboratories on the introduction of the CRAY-1, 1976.
Last update: 2022/02/06.