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Displaying 1-11 out of 11 total
The Influence of the Noise in the Restoration of Solar Radio Images using Adaptive Regularization Techniques Based on Clustering
Found in: Pattern Recognition, International Conference on
By Will R. S. Machado, Nelson D. A. Mascarenhas, Joaquim E. R. Costa
Issue Date:August 2004
pp. 371-374
This article describes the efficiency analysis of the new restoration algorithm applied to solar radio images and the influence that an additive noise has in the roughness classification process of the degraded image pixels. As the deconvolution problems a...
Sentence Similarity-Based Source Context Modelling in PBSMT
Found in: Asian Language Processing, International Conference on
By Rejwanul Haque, Sudip Kumar Naskar, Andy Way, Marta R. Costa-jussà, Rafael E. Banchs
Issue Date:December 2010
pp. 257-260
Target phrase selection, a crucial component of the state-of-the-art phrase-based statistical machine translation(PBSMT) model, plays a key role in generating accurate translation hypotheses. Inspired by context-rich word-sense disambiguation techniques, m...
Extending the MOISE+ Organizational Model with the Dialogic Dimension
Found in: Computational Modeling, Southern Conference on
By A. Hübner, A. C. R. Costa, G. P. Dimuro
Issue Date:November 2009
pp. 130-135
Several proposals have been presented for modeling the organization of multiagent systems. One of them is MOISE+, which specifies three dimensions: the structural dimension, which defines roles and links of inheritance and groups; the functional dimension,...
HPC-ICTM: a Parallel Model for Geographic Categorization
Found in: John Vincent Atanasoff Modern Computing, International Symposium on
By Rafael K. Santos Silva, Cesar A. F. De Rose, Marilton S. de Aguiar, Gracaliz P. Dimuro, Antonio C. R. Costa
Issue Date:October 2006
pp. 143-148
This paper presents a parallel version of the Interval Categorizer Tessellation-based Model (ICTM) for the si- multaneous categorization of geographic regions consider- ing several characteristics (e.g., relief, vegetation, land use etc.) in clusters, call...
Multiple Social Networks Analysis of FLOSS Projects using Sargas
Found in: Hawaii International Conference on System Sciences
By Samuel F. de Sousa Jr., Marco A. Balieiro, Jean M. dos R. Costa, Cleidson R. B. de Souza
Issue Date:January 2009
pp. 1-10
Due to their characteristics and claimed advantages, several researchers have been investigating free and open-source projects. Different aspects are being studied: for instance, what motivates developers to join FLOSS projects, the tools, processes and pr...
Towards the Modeling of the Social Organization of an Experiment of Social Management of Urban Vegetable Gardens
Found in: Agent Systems, their Environment and Applications, Workshop and School of
By Iverton S. Santos,Thiago Rodrigues,Graçaliz P. Dimuro,Antônio R. Costa,Glenda Dimuro,Esteban de Manuel
Issue Date:April 2011
pp. 98-101
This paper presents the initial version of an agent-based model of the social organization of a particular experiment of social management of urban vegetable gardens in Seville, Spain. More specifically, the paper presents details of the initial version of...
Using TransFlow to Analyze Open Source Developers' Evolution
Found in: Software Engineering, Brazilian Symposium on
By Jean M. R. Costa, Francisco W. Santana, Cleidson R. B. Souza
Issue Date:October 2009
pp. 165-175
Due to the success of many Open Source Software projects, both the industry and the academic community are interested in understanding how such software is produced. Particularly, there is interest in understanding how these communities are organized and m...
A Software-Based Solution for Distributing and Displaying 3D UHD Films
Found in: IEEE MultiMedia
By Lucenildo Aquino Junior,R. Gomes,Manoel Silva Neto,A. Duarte,R. Costa,Guido Souza Filho
Issue Date:January 2013
pp. 60-68
As an alternative to traditional hardware-based ultra-high definition (UHD) multimedia systems, the proposed software-based approach offers a better cost-benefit ratio and might help facilitate large-scale deployment.
Statistical machine translation enhancements through linguistic levels: A survey
Found in: ACM Computing Surveys (CSUR)
By Marta R. Costa-Jussà, Mireia Farrús
Issue Date:January 2014
pp. 1-28
Machine translation can be considered a highly interdisciplinary and multidisciplinary field because it is approached from the point of view of human translators, engineers, computer scientists, mathematicians, and linguists. One of the most popular approa...
Improving the handsets network test process via DMAIC concepts
Found in: Proceedings of the 13th international conference on Software engineering (ICSE '08)
By Andre L M Santos, Clauirton A. Siebra, Fabio Q B Silva, Paulo H R Costa
Issue Date:May 2008
pp. 1-1
The wireless network evolution has allowed that the handset technology provides a broad and new set of resources and facilities to their users. However, this evolution is also increasing the number and complexity of testing prior to handsets deployment, so...
A risk based economical approach for evaluating software project portfolios
Found in: Proceedings of the 2005 workshop on Economics-driven software engineering research (EDSER '05)
By Guilherme H. Travassos, Helio R. Costa, Marcio de O. Barros
Issue Date:May 2005
pp. 105-110
Software engineers have been applying economical concepts to shed light upon the value-related aspects of software development processes. Based on credit risk analysis concepts, we present an approach to estimate the probability distribution of losses and ...