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.

Approaches for Optimizing Virtual Machine Placement and Migration in Cloud Environments: A Survey
Manoel C. Silva Filho, Claudio C. Monteiro, Pedro R. M. Inácio, Mário M. Freire
Journal of Parallel and Distributed Computing (Elsevier), Volume 111, Pages 222-250, January 2018.
Scimago Journal Rank, Quartiles (2016): Q1 (Computer Networks and Communications; Hardware and Architecture).

A User Trust System for Online Games – Part II: A Subjective Logic Approach for Trust Inference
Rui Costa Cardoso, Abel J. P. Gomes, Mario M. Freire
IEEE Transactions on Computational Intelligence and AI in Games, 2017.
Scimago Journal Rank, Quartiles (2016): Q2 (Artificial Intelligence; Software).

A User Trust System for Online Games – Part I: An Activity Theory Approach for Trust Representation
Rui Costa Cardoso, Abel J. P. Gomes, Mario M. Freire
IEEE Transactions on Computational Intelligence and AI in Games, Volume 9, Issue 3, Pages 305-320, September 2017.
Scimago Journal Rank, Quartiles (2016): Q2 (Artificial Intelligence; Software).

Applications of Artificial Immune Systems to Computer Security: A Survey
Diogo A.B.Fernandes, Mário M.Freire, Paulo A.P.Fazendeiro, and Pedro R.M.Inácio
Journal of Information Security and Applications (Elsevier), Volume 35, Pages 138-159, August 2017.
Scimago Journal Rank, Quartiles (2016): Q2.

Security Issues in Cloud Environments: A Survey
Diogo A. B. Fernandes, Liliana F. B. Soares, João V. Gomes, Mário M. Freire, Pedro R. M. Inácio
International Journal of Information Security (Springer), Volume 13, Issue 2, Pages 113-170, April 2014.
Scimago Journal Rank, Quartiles (2014): Q2 (Computer Networks and Communications; Information Systems; Safety, Risk, Reliability and Quality; Software).

Classification of Breast Masses on Contrast-Enhanced Magnetic Resonance Images Through Log Detrended Fluctuation Cumulant-Based Multifractal Analysis
Filipe Soares, Filipe Janela, Manuela Pereira, João Seabra and Mário M. Freire
IEEE Systems Journal, Volume 8, Issue 3, Pages 929-938, September 2014.
Scimago Journal Rank, Quartiles (2014): Q1.

3D Lacunarity in Multifractal Analysis of Breast Tumor Lesions in Dynamic Contrast-Enhanced Magnetic Resonance Imaging
Filipe Soares, Filipe Janela, Manuela Pereira, João Seabra and Mário M. Freire
IEEE Transactions on Image Processing, Volume 22, Issue 11, Pages 4422-4435, November 2013.
Scimago Journal Rank, Quartiles (2013): Q1 (Computer Graphics and Computer-Aided Design; Software).

The Whole Mesh Deformation Model: A Fast Image Segmentation Method Suitable for Effective Parallelization (Open access)
Przemyslaw Lenkiewicz, Manuela Pereira, Mário M. Freire and José Fernandes
EURASIP Journal on Advances in Signal Processing (Springer), 2013:55, December 2013.
Scimago Journal Rank, Quartiles (2013): Q3 (Signal Processing; Hardware and Architecture).

Identification of Peer-to-Peer VoIP Sessions Using Entropy and Codec Properties
João V. Gomes, Pedro R. M. Inácio, Manuela Pereira, Mário M. Freire and Paulo P. Monteiro
IEEE Transactions on Parallel and Distributed Systems, Volume 24, Issue 10, Pages 2004-2014, October 2013. Supplemental Material.
Scimago Journal Rank, Quartiles (2013): Q1 (Hardware and Architecture).

ACM DL Author-ize serviceDetection and Classification of Peer-to-Peer Traffic: A Survey (Article openly accessible through the ACM Author-Izer service)
João V. Gomes, Pedro R. M. Inácio, Manuela Pereira, Mário M. Freire, Paulo P. Monteiro
ACM Computing Surveys, Volume 45, Number 3, Article 30, Pages 1-40, June 2013.
Scimago Journal Rank, Quartiles (2013): Q1 (Computer Science (miscellaneous); Theoretical Computer Science).

Exploring Behavioral Patterns Through Entropy in Multimedia Peer-to-Peer Traffic
João V. Gomes, Pedro R. M. Inácio, Manuela Pereira, Mário M. Freire and Paulo P. Monteiro
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 Rank, Quartiles (2012): Q2 (Computer Science (miscellaneous)).

ACM DL Author-ize serviceFast Synthesis of Persistent Fractional Brownian Motion (Article openly accessible through the ACM Author-Izer service)
Pedro R. M. Inácio, Mário M. Freire, Manuela Pereira, Paulo P. Monteiro
ACM Transactions on Modeling and Computer Simulation (TOMACS), Volume 22, Issue 2, Article 11, Pages 1-21, March 2012.
Scimago Journal Rank, Quartiles (2012): Q2 (Computer Science Applications; Modeling and Simulation).

ACM DL Author-ize serviceSource Traffic Analysis (Article openly accessible through the ACM Author-Izer service)
João V. P. Gomes, Pedro R. M. Inácio, Branka Lakic, Mário M. Freire, Henrique J. A. Da Silva, Paulo P. Monteiro
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP), Volume 6, Number 3, Article 21, Pages 1-23, August 2010.
Scimago Journal Rank, Quartiles (2010): Q2 (Computer Networks and Communications; Hardware and Architecture).

A New Architectural Approach for Optical Burst Switching Networks Based on a Common Control Channel
Nuno M. Garcia, Paulo P. Monteiro, Mário M. Freire, José R. Santos, and Przemyslaw Lenkiewicz
Optical Switching and Networking (Elsevier), Volume 4, Issues 3–4, Pages 173-188, November 2007.
Scimago Journal Rank, Quartiles (2007): Q2 (Computer Networks and Communications).

Optical Burst Switching Network: A Multi-layered Approach
Farid Farahmand, Vinod M. Vokkarane, Jason P. Jue, Joel J. P. C. Rodrigues, and Mário M. Freire
Journal of High Speed Networks (IOS Press), Volume 16, Number 2, Pages 105-122, 2007.
Scimago Journal Rank, Quartiles (2007): Q4 (Computer Networks and Communications; Hardware and Architecture).

On EPON Security Issues
Marek Hajduczenia, Pedro R. M. Inácio, Henrique J. A. da Silva, Mário M. Freire, and Paulo P. Monteiro
IEEE Communications Surveys and Tutorials, Volume 9, Issue 1, Pages 68-83, 2007.
Scimago Journal Rank, Quartiles (2007): Q1 (Electrical and Electronic Engineering).

Assessment of Blocking Performance in WDM Chordal Ring Networks
Mário M. Freire and Henrique J. A. da Silva
Journal of High Speed Networks (IOS Press), Volume 15, Number 4, Pages 415-432, 2006.
Scimago Journal Rank, Quartiles (2006): Q4 (Computer Networks and Communications; Hardware and Architecture).

Optical Communications Research at Institute of Telecommunications
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
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 Rank, Quartiles (2005): Q3 (Electronic, Optical and Magnetic Materials).

Performance Implications of Meshing Degree for Optical Burst Switched Networks Using One-way Resource Reservation Protocols
Joel J. P. C. Rodrigues, Mário M. Freire, and Pascal Lorenz
Telecommunication Systems (Springer), Volume 30, Issue 1-3, Pages 35-47, November 2005.
Scimago Journal Rank, Quartiles (2005): Q2 (Electrical and Electronic Engineering).

Performance Assessment of Optical Burst Switching Ring and Chordal Ring Networks
Joel J. P. C. Rodrigues, Mário M. Freire, and Pascal Lorenz
Telecommunication Systems (Springer/Kluwer Academic Publishers), Volume 27, Issue 2-4, Pages 133–149, October 2004.
Scimago Journal Rank, Quartiles (2004): Q2 (Electrical and Electronic Engineering).

The Role of Network Topologies in the Optical Core of IP-over-WDM Networks with Static Wavelength Routing
Mário M. Freire, Joel J. P. C. Rodrigues, and Rui M. F. Coelho
Telecommunication Systems (Springer/Kluwer Academic Publishers), Volume 24, Issue 2-4, Pages 111-122, October 2003.
Scimago Journal Rank, Quartiles (2003): Q2 (Electrical and Electronic Engineering).

Assessment of Blocking Performance in Unidirectional and Bi-directional Wavelength Routed Ring Networks
Mário M. Freire and Henrique J. A. da Silva
Journal of High Speed Networks (IOS Press), Volume 12, Number 3/4, Pages 133-140, 2002.
Scimago Journal Rank, Quartiles (2002): Q1 (Computer Networks and Communications; Hardware and Architecture).

Estimation of Multiple-Quantum-Well Laser Parameters for Simulation of Dispersion Supported Transmission Systems at 20 Gbit/s
Mário M. Freire and Henrique J. A. da Silva
IEE Proceedings - Optoelectronics, Volume 146, Number 2, Pages 93–98, August 1999.
Scimago Journal Rank, Quartiles (1999): Q1. ISI Impact Factor (1999): 0.826.

Impact of Double Cavity FP Demultiplexers on the Performance of WDM Dispersion Supported Transmission
Mário M. Freire, José A. R. Pacheco de Carvalho, Álvaro M. F. de Carvalho, and Henrique J. A. da Silva
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 Rank, Quartiles (1997): Q3 (Electrical and Electronic Engineering). ISI Impact Factor (1997): 0.287.

Performance Implications of Three-Mirror Fabry-Perot Demultiplexers for 10-Gb/s WDM Dispersion-Supported Transmission with 0.5-nm Channel Spacing
Mário M. Freire, Álvaro M. F. de Carvalho, and Henrique J. A. da Silva
IEEE Photonics Technology Letters, Volume 8, Issue 9, Pages 1261–1263, September 1996.
Scimago Journal Rank. ISI Impact Factor (1996): 1.063.

Performance Assessment of Two-Channel Dispersion-Supported Transmission Systems Using Single- and Double-Cavity Fabry-Perot Filters as Demultiplexers
Mário M. Freire and Henrique J. A. da Silva
IEEE Photonics Technology Letters, Volume 7, Issue 11, Pages 1360–1362, November 1995.
Scimago Journal Rank. 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: 2017/10/16.