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  1. Content type: Original Paper

    This paper proposes an incremental, structural and contextual validation method for Nested Context Language (NCL) documents. As part of the proposed method, we define a declarative metalanguage to ensure low c...

    Authors: Rodrigo Costa Mesquita Santos, José Rios Cerqueira Neto, Carlos de Salles Soares Neto and Mário Meireles Teixeira

    Citation: Journal of the Brazilian Computer Society 2013 19:110

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  2. Content type: Editorial

    Authors: Maria Cristina Ferreira de Oliveira

    Citation: Journal of the Brazilian Computer Society 2013 19:111

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  3. Content type: Original Paper

    Many literature papers evaluate solutions in wireless sensor networks by simulation experiments. However, little attention is given to the adequacy of the simulator propagation models to the environment in whi...

    Authors: Afonso D. Ribas, Antonio R. Carvalho Jr., Carlos M. S. Figueiredo and Eduardo F. Nakamura

    Citation: Journal of the Brazilian Computer Society 2013 19:105

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  4. Content type: Original Paper

    The Brazilian symposium on computer networks and distributed systems (SBRC) reached its 30th edition as the paramount scientific event in the area of computer networks and distributed systems in Brazil. Faced ...

    Authors: Guilherme Maia, Pedro O. S. Vaz de Melo, Daniel L. Guidoni, Fernanda S.H. Souza, Thiago H. Silva, Jussara M. Almeida and Antonio A. F. Loureiro

    Citation: Journal of the Brazilian Computer Society 2013 19:109

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  5. Content type: Original Paper

    This paper discusses ambiguity in the context of languages that support context-dependent overloading, such as Haskell. A type system for a Haskell-like programming language that supports context-dependent ove...

    Authors: Rodrigo Ribeiro and Carlos Camarão

    Citation: Journal of the Brazilian Computer Society 2013 19:103

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  6. Content type: Editorial

    Authors: Maria Cristina Ferreira de Oliveira

    Citation: Journal of the Brazilian Computer Society 2013 19:100

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  7. Content type: Original Paper

    As in many other natural language processing (NLP) fields, the use of statistical methods is now part of mainstream natural language generation (NLG). In the development of systems of this kind, however, there...

    Authors: Eder Miranda de Novais and Ivandré Paraboni

    Citation: Journal of the Brazilian Computer Society 2012 19:95

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  8. Content type: WEBMEDIA 2010

    Various operations related to Quality of Service (QoS) management in communication networks require the clients/users to specify the quality level of the network service. The current QoS proposals adopt a fixe...

    Authors: José Cé Júnior, Achilles C. Prudêncio, Roberto Willrich and Madalena P. da Silva

    Citation: Journal of the Brazilian Computer Society 2012 19:94

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  9. Content type: Original Paper

    This paper presents a set of novel modifications that can be applied to any grid-based path planning algorithm from the A* family used in mobile robotics. Five modifications are presented regarding the way the...

    Authors: Tiago Pereira do Nascimento, Pedro Costa, Paulo G. Costa, António Paulo Moreira and André Gustavo Scolari Conceição

    Citation: Journal of the Brazilian Computer Society 2012 19:91

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  10. Content type: Original Paper

    This study presents a novel methodology for generating smooth feasible paths for autonomous aerial vehicles in the three-dimensional space based on a variation of the Spatial Quintic Pythagorean Hodographs cur...

    Authors: Armando Alves Neto, Douglas G. Macharet and Mario F. M. Campos

    Citation: Journal of the Brazilian Computer Society 2012 19:93

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  11. Content type: Editorial

    Authors: Maria Cristina Ferreira de Oliveira

    Citation: Journal of the Brazilian Computer Society 2012 18:90

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  12. Content type: Original Paper

    Web image retrieval is a research area that is receiving a lot of attention in the last few years due to the growing availability of images on the Web. Since content-based image retrieval is still considered v...

    Authors: Patrícia Correia Saraiva, João M. B. Cavalcanti, Marcos A. Gonçalves, Katia C. Lage dos Santos, Edleno S. de Moura and Ricardo da S. Torres

    Citation: Journal of the Brazilian Computer Society 2012 19:87

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  13. Content type: Original Paper

    This paper addresses the problem of grapheme to phoneme conversion to create a pronunciation dictionary from a vocabulary of the most frequent words in European Portuguese. A system based on a mixed approach f...

    Authors: Arlindo Veiga, Sara Candeias and Fernando Perdigão

    Citation: Journal of the Brazilian Computer Society 2012 19:88

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  14. Content type: Original Paper

    Deaf people have serious difficulties accessing information. The support for sign language (their primary means of communication) is rarely addressed in information and communication technologies. Furthermore,...

    Authors: Tiago Maritan Ugulino de Araújo, Felipe Lacet Silva Ferreira, Danilo Assis Nobre dos Santos Silva, Felipe Hermínio Lemos, Gutenberg Pessoa Neto, Derzu Omaia, Guido Lemos de Souza Filho and Tatiana Aires Tavares

    Citation: Journal of the Brazilian Computer Society 2012 19:86

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  15. Content type: Original Paper

    Reverse engineering techniques are usually applied to extract concrete architecture models. However, these techniques usually extract models that just reveal static architectures, such as class diagrams. On th...

    Authors: Hugo de Brito, Humberto Torres Marques-Neto, Ricardo Terra, Henrique Rocha and Marco Tulio Valente

    Citation: Journal of the Brazilian Computer Society 2012 19:83

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  16. Content type: Editorial

    Authors: Maria Cristina Ferreira de Oliveira

    Citation: Journal of the Brazilian Computer Society 2012 18:85

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  17. Content type: Original Paper

    In wireless sensor networks (WSNs), target tracking algorithms usually depend on geographical information provided by localization algorithms. However, errors introduced by such algorithms affect the performan...

    Authors: Éfren L. Souza, Eduardo F. Nakamura, Horácio A. B. F. de Oliveira and Carlos M. S. Figueiredo

    Citation: Journal of the Brazilian Computer Society 2012 19:84

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  18. Content type: Original Paper

    This paper presents a semi-automated method for the acquisition of common-sense and inferentialist concepts in Portuguese. Its innovative feature is a module of reasoning over the pre-existing knowledge that a...

    Authors: Vladia Pinheiro, Vasco Furtado, Tarcísio Pequeno and Wellington Franco

    Citation: Journal of the Brazilian Computer Society 2012 19:82

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  19. Content type: Original Paper

    Considering learning and how to improve students’ performances, adaptive educational systems must know the way in which an individual student learns best. In this context, this work presents a comparison betwe...

    Authors: Fabiano A. Dorça, Luciano V. Lima, Márcia A. Fernandes and Carlos R. Lopes

    Citation: Journal of the Brazilian Computer Society 2012 19:78

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  20. Content type: Original Paper

    Non-verbal communication is of paramount importance in person-to-person interaction, as emotions are an integral part of human beings. A sociable robot should therefore display similar abilities as a way to in...

    Authors: Rafael A. M. Gonçalves, Diego R. Cueva, Marcos R. Pereira-Barretto and Fabio G. Cozman

    Citation: Journal of the Brazilian Computer Society 2012 19:81

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  21. Content type: Original Paper

    SciPo is a writing tool whose ultimate goal is to assist novice writers in producing scientific writing in Portuguese, focusing primarily on abstracts and introductions from computer science. In this paper, we...

    Authors: Vinícius Mourão Alves de Souza and Valéria Delisandra Feltrim

    Citation: Journal of the Brazilian Computer Society 2012 19:79

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  22. Content type: Original Paper

    Virtual memory mechanisms allow offering more RAM memory space to processes than the amount of memory physically available in the system, using disk space as a memory extension. When there is not enough RAM me...

    Authors: Carlos Maziero, Douglas dos Santos and Altair Santin

    Citation: Journal of the Brazilian Computer Society 2012 19:80

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  23. Content type: WTI

    Collaborative filtering (CF) has been an important subject of research in the past few years. Many achievements have been made in this field, however, many challenges still need to be faced, mainly related to ...

    Authors: João Vinagre and Alípio Mário Jorge

    Citation: Journal of the Brazilian Computer Society 2012 18:77

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  24. Content type: WEBMEDIA 2010

    This paper presents TAL (Template Authoring Language), an authoring language for hypermedia document templates. Templates describe document families with structural or semantic similarities among them. TAL sup...

    Authors: Carlos de Salles Soares Neto, Luiz Fernando Gomes Soares and Clarisse Sieckenius de Souza

    Citation: Journal of the Brazilian Computer Society 2012 18:73

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  25. Content type: Editorial

    Authors: Maria Cristina Ferreira de Oliveira

    Citation: Journal of the Brazilian Computer Society 2012 18:76

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  26. Content type: Original Paper

    Decision-tree induction is a well-known technique for assigning objects to categories in a white-box fashion. Most decision-tree induction algorithms rely on a sub-optimal greedy top-down recursive strategy fo...

    Authors: Rodrigo C. Barros, Márcio P. Basgalupp, André C. P. L. F. de Carvalho and Marcos G. Quiles

    Citation: Journal of the Brazilian Computer Society 2012 18:75

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  27. Content type: IHC

    There are several barriers that prevent Brazilian citizen to access knowledge, including the way in which computational technology is presented considering the diversity of interaction skills in our population...

    Authors: Vânia Paula de Almeida Neris and M. Cecília C. Baranauskas

    Citation: Journal of the Brazilian Computer Society 2012 18:70

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  28. Content type: WTI

    Regular data classification techniques are based mainly on two strong assumptions: (1) the existence of a reasonably large labeled set of data to be used in training; and (2) future input data instances confor...

    Authors: João Roberto Bertini Jr., Alneu de Andrade Lopes and Liang Zhao

    Citation: Journal of the Brazilian Computer Society 2012 18:72

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  29. Content type: Original Paper

    This paper describes a new method of path-planning for multiple robots in unknown environments. The method, called Space D*, is based on two algorithms: the D*, which is an incremental graph search algorithm, ...

    Authors: Luan Silveira, Renan Q. Maffei, Silvia S. C. Botelho, Paulo L. Drews Jr., Alessandro de L. Bicho and Nelson L. Duarte Filho

    Citation: Journal of the Brazilian Computer Society 2012 18:71

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  30. Content type: Original Paper

    Collaborative tools have been proposed to support different domains, including software development. Despite important previous work on the design of collaborative tools, none directly addresses the required s...

    Authors: Cleidson R. B. de Souza, Jean M. R. Costa and Marcelo Cataldo

    Citation: Journal of the Brazilian Computer Society 2012 18:67

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  31. Content type: WTI

    In some classification tasks, such as those related to the automatic building and maintenance of text corpora, it is expensive to obtain labeled instances to train a classifier. In such circumstances it is com...

    Authors: Nuno Filipe Escudeiro and Alípio Mário Jorge

    Citation: Journal of the Brazilian Computer Society 2012 18:69

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  32. Content type: Original Paper

    Traditional media such as magazines and newspapers are undergoing deep transformations as they cope with the high volume and dynamicity of currently available information. In addition, with the emergence of de...

    Authors: Ricardo Piccoli, João Oliveira and Isabel Manssour

    Citation: Journal of the Brazilian Computer Society 2012 18:66

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  33. Content type: Original Paper

    We present and evaluate a neural network-based technique to automatically enable NPR renderings from digital face images, which resemble semi-detailed sketches. The technique has been experimentally evaluated ...

    Authors: Francisco de Assis Pereira Vasconcelos de Arruda, José Eustáquio Rangel de Queiroz and Herman Martins Gomes

    Citation: Journal of the Brazilian Computer Society 2012 18:61

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  34. Content type: SI: GraphCliques

    The graph sandwich problem for property Π is defined as follows: Given two graphs G1=(V,E1) and G2=(V,E2) such that E1E2, is there a graph G=(V,E) such that E1EE2 which satisfies property Π? We propose to stud...

    Authors: Olivier Durand de Gevigney, Sulamita Klein, Viet-Hang Nguyen and Zoltán Szigeti

    Citation: Journal of the Brazilian Computer Society 2012 18:65

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  35. Content type: SI: GraphCliques

    There are various definitions of a gene cluster determined by two genomes and methods for finding these clusters. However, there is little work on characterizing configurations of genes that are eligible to be...

    Authors: Vítor Costa, Simone Dantas, David Sankoff and Ximing Xu

    Citation: Journal of the Brazilian Computer Society 2012 18:64

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  36. Content type: Original Paper

    A b-coloring of a graph is a coloring of its vertices such that every color class contains a vertex that has a neighbor in all other classes. The b-chromatic number of a graph is the largest integer k such that t...

    Authors: Victor Campos, Victor A. E. de Farias and Ana Silva

    Citation: Journal of the Brazilian Computer Society 2012 18:63

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  37. Content type: WTI

    Tagging-based systems are a popular and convenient way to organize information on the Web. Despite the alleged advantage of the free choice of words used to categorize Web resources in this kind of systems, it...

    Authors: Sérgio R. P. da Silva, Marcelo R. Borth, Josiane M. P. Ferreira and Valéria D. Feltrim

    Citation: Journal of the Brazilian Computer Society 2012 18:55

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  38. Content type: WEBMEDIA 2010

    The user generated content available in online communities is easy to create and consume. Lately, it also became strategically important to companies interested in obtaining population feedback on products, me...

    Authors: Carolina Bigonha, Thiago N. C. Cardoso, Mirella M. Moro, Marcos A. Gonçalves and Virgílio A. F. Almeida

    Citation: Journal of the Brazilian Computer Society 2011 18:51

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  39. Content type: SI: GraphCliques

    Let G=(V,E) be a graph with n vertices. A clique-colouring of a graph is a colouring of its vertices such that no maximal clique of size at least two is monocoloured. A k-clique-colouring is a clique-colouring th...

    Authors: Sulamita Klein and Aurora Morgana

    Citation: Journal of the Brazilian Computer Society 2011 18:53

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  40. Content type: Original Paper

    Packages are re-usable components for most of object-oriented systems. To promote reuse in object-oriented systems and to make deployment and maintenance tasks easy, packages in object-oriented systems must be...

    Authors: Varun Gupta and Jitender Kumar Chhabra

    Citation: Journal of the Brazilian Computer Society 2011 18:52

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  41. Content type: SI: GraphCliques

    The interval count problem determines the smallest number of interval lengths needed in order to represent an interval model of a given interval graph or interval order. Despite the large number of studies about ...

    Authors: Márcia R. Cerioli, Fabiano de S. Oliveira and Jayme L. Szwarcfiter

    Citation: Journal of the Brazilian Computer Society 2011 18:47

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  42. Content type: SI: GraphCliques

    The Classification Problem is the problem of deciding whether a simple graph has chromatic index equal to Δ or Δ+1. In the first case, the graphs are called Class 1, otherwise, they are Class 2. A split graph is ...

    Authors: Sheila Morais de Almeida, Célia Picinin de Mello and Aurora Morgana

    Citation: Journal of the Brazilian Computer Society 2011 18:46

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