RSS 1.0Artigos - Matemática e Computação - FCT
Browse by
Recent Submissions
-
Software Quality as a Subsidy for Teaching Programming
Gomes, Pedro Henrique
; Garcia, Rogerio Eduardo ; Eler, Danilo Medeiros ; Correia, Ronaldo Celso ; Junior, Celso Olivete (Proceedings - Frontiers in Education Conference, FIE, 2021) [Trabalho apresentado em evento]
Well-written code (which meets standards, conventions, and quality specifications) is often associated with the programmer's experience, which is why companies have been looking for increasingly qualified professionals. ... -
Toward prioritization of self-admitted technical debt: an approach to support decision to payment
de Lima, Bruno Santos; Garcia, Rogerio Eduardo ; Eler, Danilo Medeiros (Software Quality Journal, 2022) [Artigo]
Technical Debt (TD) is a metaphor that describes the cost–benefit relationship between postponing technical development activities and the consequences of this long-term postponement. The lack of TD Management compromises ... -
Different formulations to solve the giesekus model for flow between two parallel plates
; ; Brandi, Analice Costacurta; ; (Applied Sciences (Switzerland), 2021) [Artigo]
This work presents different formulations to obtain the solution for the Giesekus constitutive model for a flow between two parallel plates. The first one is the formulation based on work by Schleiniger, G; Weinacht, R.J., ... -
Investigating multipath mitigation for kinematic applications using wavelet techniques
De Souza, Eniuce M.; Monico, João F.G. ; Pagamisse, Aylton (ENC-GNSS 2008 - European Navigation Conference, 2008) [Trabalho apresentado em evento]
Multipath is the phenomenon that occurs when the signal from GNSS satellites reflects on objects surrounding the survey environment and reaches the receiver's antenna through multiple paths. Usually, the receiver collects ... -
The use of Horizon graphs to visualize bilateral biomechanical time-series of multiple joints
; ; Shimabukuro, Milton Hirokazu; ; de Souza, Thales Rezende ; (MethodsX, 2021) [Artigo]
Movement analysis provides a vast amount of data, which, frequently, are not used in the clinical decision-making process. For example, traditional gait data visualization is based on a time-based display of joint angles, ... -
Horizontal scalability analysis in a hbase cluster
Dos Santos, Cedryk Augusto; de Lima, Bruno Santos ; Cayres, Leandro Ungari ; Garcia, Rogério Eduardo ; Olivete Junior, Celso ; Eler, Danilo Medeiros ; Correia, Ronaldo Celso Messias (RISTI - Revista Iberica de Sistemas e Tecnologias de Informacao, 2020) [Artigo]
Horizontal Scalability allows resources to be distributed by the addition of nodes, being made more flexible by the NoSQL Database. This work evaluates the horizontal scalability potential of a Hbase Database cluster, ... -
Teaching and learning software project management: A hands-on approach
Garcia, Rogério Eduardo; Correia, Ronaldo Celso Messias ; Olivete, Celso ; Brandi, Analice Costacurta ; (Proceedings - Frontiers in Education Conference, FIE, 2015) [Trabalho apresentado em evento]
Project management is an essential activity across several areas, including Software Engineering. Through good management it is possible to achieve deadlines, budgets goals and mainly delivering a product that meets customer ... -
Investigating multipath mitigation for kinematic applications using wavelet techniques
De Souza, Eniuce M.; Monico, João F.G. ; Pagamisse, Aylton (ENC-GNSS 2008 - European Navigation Conference, 2008) [Trabalho apresentado em evento]
Multipath is the phenomenon that occurs when the signal from GNSS satellites reflects on objects surrounding the survey environment and reaches the receiver's antenna through multiple paths. Usually, the receiver collects ... -
Desenvolvimento de sistemas para dispositivos móveis: Uma solução baseada em framework
Da Rocha, Alexander Haroldo; Correia, Ronaldo Celso Messias ; Garcia, Rogério Eduardo (Actas da 4a Conferencia Iberica de Sistemas e Tecnologias de Informacao, CISTI 2009, 2009) [Trabalho apresentado em evento]
The technological evolution in wireless communications have motivated the development of systems for mobile equipments. However, such systems have not only constraints on environment execution, but also the need of ... -
MySQLite Sync: Middleware for stored data synchronization in mobile devices and DBMSs
Zaia, Guilherme Palmeira; Correia, Ronaldo Celso Messias ; Garcia, Rogério Eduardo ; Olivete, Celso (Proceedings of the 2014 Latin American Computing Conference, CLEI 2014, 2014) [Trabalho apresentado em evento]
Data synchronization is a process of establishing equivalence among two data collections. It is essential to distribute databases and several techniques have been implemented in Database Management Systems (DBMS), but it ... -
Detecção e afinamento de bordas em direções previamente conhecidas
Artero, Almir Olivette; Tommaselli, Antonio Maria Garcia (Boletim de Ciencias Geodesicas, 2009) [Artigo]
This work presents a study on the generation of digital masks aiming at edge detection with previously known directions. This solution is important when edge direction is available either from a direction histogram or from ... -
Stochastic stability and optimal control for a class of continuous-time Markov jump linear systems with horizon defined by a stopping time
(Proceedings of the IEEE Conference on Decision and Control, 2013) [Trabalho apresentado em evento]This article deals with stochastic stability and optimal control for continuous-time Markov jump linear systems (MJLS). In the adopted model, the horizon of the problem is given by a stopping time representing the occurrence ... -
Caracterização espectral da água do reservatório de itupararanga, sp, a partir de imagens hiperespectrais hyperion e análise derivativa
Ennes, Rejane; Galo, Maria de Lourdes Bueno Trindade ; Tachibana, Vilma Mayumi (Boletim de Ciencias Geodesicas, 2010) [Artigo]
The current accessibility to hyperspectral images of Hyperion/EO1 orbital sensor has brought new perspectives for studies of aquatic environments for allowing the remote estimative of several optically active constituents ... -
The GNSS NavAer INCT Project Overview and Main Results
Monico, João Francisco Galera; ; ; ; Shimabukuro, Milton Hirokazu ; Alves, Daniele Barroca Marra ; ; Camargo, Paulo de Oliveira ; ; et al. (Journal of Aerospace Technology and Management, 2022) [Artigo]
Air navigation is increasingly dependent on the use of Global Navigation Satellite Systems (GNSS). It allows the determination of the aircraft’s position in all phases of the flight and brings many advantages. Although ... -
Multiple Ordered Solutions for a Class of Problems Involving the 1-Laplacian Operator
; ; Pimenta, Marcos T. O. (Journal of Geometric Analysis, 2022) [Artigo]
In this paper, we use minimax methods, comparison arguments, and an approximation result to show the existence and multiplicity of solutions for the following class of problems: {-Δ1v=λf(v)inΩ,v≥0inΩ,v=0on∂Ω,where Ω is a ... -
Numerical investigation of shear-thinning and viscoelastic binary droplet collision
; Oishi, Cassio M.; (Journal of Non-Newtonian Fluid Mechanics, 2022) [Artigo]
In this work we present a 2D numerical study of the binary collision of viscoelastic drops under surface tension effects. The governing equations for incompressible fluids with free surface are completed with constitutive ... -
Local-Activity and Simultaneous Zero-Hopf Bifurcations Leading to Multistability in a Memristive Circuit
Messias, Marcelo; (International Journal of Bifurcation and Chaos, 2021) [Artigo]
In this paper, we consider a memristive circuit consisting of three elements: A passive linear inductor, a passive linear capacitor and an active memristive device. The circuit is described by a four-parameter system of ... -
A machine learning strategy for computing interface curvature in Front-Tracking methods
; Oishi, Cassio M. (Journal of Computational Physics, 2022) [Artigo]
In this work we have described the application of a machine learning strategy to compute the interface curvature in the context of a Front-Tracking framework. Based on angular information of normal and tangential vectors ... -
Multiplicity of solutions for a class of quasilinear problems involving the 1-Laplacian operator with critical growth
; ; Pimenta, Marcos T.O. (Journal of Differential Equations, 2022) [Artigo]
The aim of this paper is to establish two results about multiplicity of solutions to problems involving the 1-Laplacian operator, with nonlinearities with critical growth. To be more specific, we study the following problem ... -
Anisotropic 1-Laplacian problems with unbounded weights
Ortiz Chata, Juan C.; Pimenta, Marcos T. O. ; (Nonlinear Differential Equations and Applications, 2021) [Artigo]
In this work we prove the existence of nontrivial bounded variation solutions to quasilinear elliptic problems involving a weighted 1-Laplacian operator. A key feature of these problems is that weights are unbounded. One ...