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  1. Authors: Maria Cristina Ferreira de Oliveira

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

    Content type: Editorial

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  2. 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

    Content type: Original Paper

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  3. Authors: Maria Cristina Ferreira de Oliveira

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

    Content type: Editorial

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  4. 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

    Content type: Original Paper

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  5. 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

    Content type: Original Paper

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  6. 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

    Content type: Original Paper

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  7. 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

    Content type: Original Paper

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  8. 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

    Content type: Original Paper

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  9. 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

    Content type: Original Paper

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  10. 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

    Content type: WTI

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  11. 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

    Content type: WEBMEDIA 2010

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  12. Authors: Maria Cristina Ferreira de Oliveira

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

    Content type: Editorial

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  13. 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

    Content type: Original Paper

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  14. 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

    Content type: IHC

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  15. 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

    Content type: WTI

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  16. 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

    Content type: Original Paper

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  17. 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

    Content type: Original Paper

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  18. 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

    Content type: WTI

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  19. 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

    Content type: Original Paper

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  20. This paper considers the estimation of reliability and availability of intrusion-tolerant systems subject to non-detectable intrusions caused by stealth attacks. We observe that typical intrusion tolerance tec...

    Authors: Luís Teixeira d’Aguiar Norton Brandão and Alysson Neves Bessani

    Citation: Journal of the Brazilian Computer Society 2012 18:62

    Content type: LADC 2011

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    The Erratum to this article has been published in Journal of the Brazilian Computer Society 2012 18:s13173-012-0074-6

  21. 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

    Content type: Original Paper

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  22. 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

    Content type: SI: GraphCliques

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  23. 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

    Content type: SI: GraphCliques

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  24. 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

    Content type: Original Paper

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  25. Sensor nodes in Wireless Sensor Networks (WSNs) are prone to failures due to the fragile hardware, malicious attacks, or hostile or harsh environment. In order to assure reliable, long-term monitoring of the phen...

    Authors: Andréa Weber, Alexander Robert Kutzke and Stefano Chessa

    Citation: Journal of the Brazilian Computer Society 2012 18:57

    Content type: LADC 2011

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  26. Replication is a well-established approach to increasing database availability. Many database replication protocols have been proposed for the crash-stop failure model, in which servers fail silently. Fewer da...

    Authors: Fernando Pedone and Nicolas Schiper

    Citation: Journal of the Brazilian Computer Society 2012 18:60

    Content type: LADC 2011

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  27. The Service Component Architecture (SCA) makes it possible to combine existing and new services based on a variety of technologies with components built using a component-based development approach. However, w...

    Authors: Fernando Castor, Douglas Siqueira Leite and Cecília Mary F. Rubira

    Citation: Journal of the Brazilian Computer Society 2012 18:59

    Content type: LADC 2011

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  28. 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

    Content type: WTI

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  29. 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

    Content type: WEBMEDIA 2010

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  30. 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

    Content type: SI: GraphCliques

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  31. 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

    Content type: Original Paper

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  32. 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

    Content type: SI: GraphCliques

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  33. 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

    Content type: SI: GraphCliques

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  34. Authors: Maria Cristina Ferreira de Oliveira

    Citation: Journal of the Brazilian Computer Society 2011 17:45

    Content type: Editorial

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  35. The volume of spatial information on the Web grows daily, both in the form of online maps and as references to places embedded in documents and pages. Considering the spatial information needs of users, it is ...

    Authors: Ivre Marjorie R. Machado, Rafael Odon de Alencar, Roberto de Oliveira Campos Jr. and Clodoveu A. Davis Jr.

    Citation: Journal of the Brazilian Computer Society 2011 17:44

    Content type: Original Paper

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  36. Collaboration networks are social networks in which relationships represent some kind of professional collaboration. The study of collaboration networks can help identify individuals or groups that are importa...

    Authors: Vinícius P. Freire and Daniel R. Figueiredo

    Citation: Journal of the Brazilian Computer Society 2011 17:41

    Content type: Original Paper

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  37. Nowadays, there is a large volume of semantically annotated multimedia data available in the Semantic Web. These data have originated from several different sources, generating new issues about their storage a...

    Authors: Luciano Bernardes de Paula, Rodolfo da Silva Villaça and Maurício Ferreira Magalhães

    Citation: Journal of the Brazilian Computer Society 2011 17:42

    Content type: Original Paper

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  38. Educational modules—concise units of study, composed of theoretical and practical content, which can be delivered to learners by using technological and computational resources—are relevant mechanisms to impro...

    Authors: Ellen Francine Barbosa and José Carlos Maldonado

    Citation: Journal of the Brazilian Computer Society 2011 17:43

    Content type: Original Paper

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  39. Authors: Maria Cristina Ferreira de Oliveira

    Citation: Journal of the Brazilian Computer Society 2011 17:39

    Content type: Editorial

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  40. Research on trajectory behavior has increased significantly in the last few years. The focus has been on the search for patterns considering the movement of the moving object in space and time, essentially loo...

    Authors: Luis Otavio Alvares, Alisson Moscato Loy, Chiara Renso and Vania Bogorny

    Citation: Journal of the Brazilian Computer Society 2011 17:37

    Content type: Original Paper

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  41. Regulation of social exchanges refers to controlling social exchanges between agents so that the balance of exchange values involved in the exchanges are continuously kept—as far as possible—near to equilibriu...

    Authors: Graçaliz Pereira Dimuro, Antônio Carlos da Rocha Costa, Luciano Vargas Gonçalves and Diego Rodrigues Pereira

    Citation: Journal of the Brazilian Computer Society 2011 17:35

    Content type: Original Paper

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