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Displaying 1-13 out of 13 total
A fragment based alignment in linear space
Found in: Bioinformatics and Biomedicine Workshop, IEEE International Conference on
By Jan M. Correa,Alba C. M. A. Melo,Ricardo P. Jacobi,Azzedine Boukerche
Issue Date:November 2011
pp. 42-49
Sequence alignment is a very important problem in Bioinformatics since it is very useful to discover relationships among biological sequences. In this article we propose a new sequence alignment algorithm that is able to identify sequence similarities in l...
Hydra: An Ubiquitous Application for Service Rerouting
Found in: 2012 IEEE 9th Int'l Conference on Ubiquitous Intelligence & Computing / 9th Int'l Conference on Autonomic & Trusted Computing (UIC/ATC)
By Lucas A. Almeida,Fabricio N. Buzeto,Ana H.O.R. Castillo,Carla D. Castanho,Ricardo P. Jacobi
Issue Date:September 2012
pp. 366-373
Computing devices are increasingly being incorporated into the physical environment that surrounds us, with smaller, cheaper, more reliable and lower power consumption appliances being manufactured. Presently, there is a profusion of mobile devices with mu...
Parallel Simulated Annealing for Fragment Based Sequence Alignment
Found in: 2012 26th IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
By Jan Mendonca Correa,Alba Cristina Magalhaes Alves de Melo,Ricardo P. Jacobi,Azzedine Boukerche
Issue Date:May 2012
pp. 641-648
Finding a biologically relevant sequence alignment may be difficult since several sequence alignments are possible, taking different parameters in consideration. A perceptron neuron can be used to associate weights to a set of alignment characteristics and...
Analysis and Preliminary Measurements of Radiated Emissions in an Asynchronous Circuit versus its Synchronous Counterpart
Found in: Reconfigurable Computing and FPGAs, International Conference on
By Rui A.L. de Cristo, Ricardo P. Jasinski, Volnei A. Pedroni
Issue Date:December 2010
pp. 127-131
As circuits grow larger and faster, electromagnetic interference (EMI) plays an increasingly important role in equipment design. To deal with EMI and make designs comply with related standards, engineers have several techniques at their disposal, some appl...
An Improved GF(2) Matrix Inverter with Linear Time Complexity
Found in: Reconfigurable Computing and FPGAs, International Conference on
By Ricardo P. Jasinski, Volnei A. Pedroni, Antonio Gortan, Walter Godoy Jr.
Issue Date:December 2010
pp. 322-327
This paper presents a new hardware implementation for boolean matrix inverters. A circuit capable of inverting a nonsingular N×N matrix in exactly N clock cycles is introduced, described, and tested in FPGA devices. This is an improvement over the fastest ...
A Hardware Accelerator for the Fast Retrieval of DIALIGN Biological Sequence Alignments in Linear Space
Found in: IEEE Transactions on Computers
By Azzedine Boukerche, Jan M. Correa, Alba Cristina M.A. de Melo, Ricardo P. Jacobi
Issue Date:June 2010
pp. 808-821
The recent and astonishing accomplishments in the field of Genomics would not have been possible without the techniques, algorithms, and tools developed in Bioinformatics. Biological sequence comparison is an important operation in Bioinformatics because i...
Reconfigurable Architecture for Biological Sequence Comparison in Reduced Memory Space
Found in: Parallel and Distributed Processing Symposium, International
By Azzedine Boukerche, Jan M. Correa, Alba Cristina M. A. de Melo, Ricardo P. Jacobi, Adson F. Rocha
Issue Date:March 2007
pp. 248
DNA sequence alignment is a very important problem in bioinformatics. The algorithm proposed by Smith-Waterman (SW) is an exact method that obtains optimal local alignments in quadratic space and time. For long sequences, quadratic complexity makes the use...
Classification of Petroleum Well Drilling Operations Using Support Vector Machine (SVM)
Found in: Computational Intelligence for Modelling, Control and Automation, International Conference on
By Adriane B. S. Serapiao, Rogerio M. Tavares, Jose Ricardo P. Mendes, Ivan R. Guilherme
Issue Date:December 2006
pp. 145
During the petroleum well drilling operation many mechanical and hydraulic parameters are monitored by an instrumentation system installed in the rig called a mud-logging system. These sensors, distributed in the rig, monitor different operation parameters...
VANNGen: A Flexible CAD Tool for Hardware Implementation of Artificial Neural Networks
Found in: Reconfigurable Computing and FPGAs, International Conference on
By André L. S. Braga, Carlos H. Llanos, Maurício Ayala-Rincón, Ricardo P. Jacobi
Issue Date:September 2005
pp. 13
The inherent parallelism of Artificial Neural Networks (ANNs) introduces several difficulties for its software implementation because of the sequential nature of von Neumann architectures. In contrast, hardware implementations offer the possibility to expl...
Modeling a Reconfigurable System for Computing the FFT in Place via Rewriting-Logic
Found in: Integrated Circuit Design and System Design, Symposium on
By Mauricio Ayala-Rincón, Rodrigo B. Nogueira, Carlos H. Llanos, Ricardo P. Jacobi, Reiner W. Hartenstein
Issue Date:September 2003
pp. 205
The growing adoption of reconfigurable architectures opens new implementation alternatives and creates new design challenges. In the case of dynamically reconfigurable architectures, the choice of an efficient architecture and reconfiguration scheme for a ...
A Genetic Neuro-Model Reference Adaptive Controller for Petroleum Wells Drilling Operations
Found in: Computational Intelligence for Modelling, Control and Automation, International Conference on
By Tiago C. Fonseca, Jose Ricardo P. Mendes, Adriane B. S. Serapiao, Ivan R. Guilherme
Issue Date:December 2006
pp. 3
<p> Motivated by rising drilling operation costs, the oil industry has shown a trend towards real-time measurements and control. In this scenario, drilling control becomes a challenging problem for the industry, especially due to the difficulty assoc...
Assessing the best-order for business process model refactoring
Found in: Proceedings of the 28th Annual ACM Symposium on Applied Computing (SAC '13)
By José A. Cruz-Lemus, María Fernández-Ropero, Mario Piattini, Ricardo Pérez-Castillo
Issue Date:March 2013
pp. 1397-1402
Quality assurance is one of the most critical activities in business process models which are obtained by reverse engineering, e.g., from existing information systems. Companies must deal with several quality faults in business process models such as irrel...
Challenges of the nanoscale era
Found in: Proceedings of the 21st annual symposium on Integrated circuits and system design (SBCCI '08)
By Reinaldo Bergamaschi, Ricardo P. Jacobi
Issue Date:September 2008
pp. 1-2
As IC fabrication technology continues its evolution, scaling down into nanometer dimensions, new challenges and opportunities arise for the semiconductor industry. Current device integration supports the development of highly complex systems on a chip, in...