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  1. Infeasible paths constitute a bottleneck for the complete automation of software testing, one of the most expensive activities of software quality assurance. Research efforts have been spent on infeasible path...

    Authors: Silvia Regina Vergilio, José Carlos Maldonado and Mario Jino

    Citation: Journal of the Brazilian Computer Society 2006 12:BF03192389

    Content type: OriginalPaper

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  2. Aspect-oriented software development promotes improved separation of concerns by introducing a new modular unit, called aspect, for the modularization of crosscutting concerns. As a new kind of modular unit, a...

    Authors: Christina Chavez, Alessandro Garcia, Uirá Kulesza, Cláudio Sant’Anna and Carlos Lucena

    Citation: Journal of the Brazilian Computer Society 2006 12:BF03192387

    Content type: OriginalPaper

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  3. In 1923, Eduard Helly published his celebrated theorem, which originated the well known Helly property. Say that a family of subsets has the Helly property when every subfamily of it, formed by pairwise inters...

    Authors: Mitre C. Dourado, Fábio Protti and Jayme L. Szwarcfiter

    Citation: Journal of the Brazilian Computer Society 2006 12:BF03192385

    Content type: OriginalPaper

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  4. This paper presents a non-iterative regularized inverse solution to the image interpolation problem. This solution is based on the segmentation of the image to be interpolated into overlapping blocks and the i...

    Authors: S. E. El-Khamy, M. M. Hadhoud, M. I. Dessouky, B. M. Salam and F. E. Abd El-Samie

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192383

    Content type: OriginalPaper

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  5. This paper proposes a method for color gradient computation applied to morphological segmentation of color images. The weighted gradient (with weights estimated automatically), proposed in this paper, applied ...

    Authors: Franklin César Flores, Airton Marco Polidório and Roberto de Alencar Lotufo

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192382

    Content type: OriginalPaper

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  6. Metric Access Methods (MAM) are employed to accelerate the processing of similarity queries, such as the range and the k-nearest neighbor queries. Current methods, such as the Slim-tree and the M-tree, improve...

    Authors: Marcos R. Vieira, Caetano Traina, Fabio J. T. Chino and Agma J. M. Traina

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192381

    Content type: OriginalPaper

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  7. The design and development of distributed software is a complex task. This was not different in OurGrid, a project whose objective was to develop a free-to-join grid. After two years of development, it was nec...

    Authors: Ayla Dantas, Walfredo Cirne and Katia Saikoski

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192380

    Content type: OriginalPaper

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  8. In this paper we describe an aspect-oriented infrastructure to handle dynamic AOP based on the Lua language. This infrastructure is composed of AspectLua, a Lua extension that allows the declaration of aspects...

    Authors: Nélio Cacho, Thaís Batista and Fabrício Fernandes

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192379

    Content type: OriginalPaper

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  9. Ecolingua is an ontology for ecological quantitative data, which has been designed through reuse of a conceptualisation of quantities and their physical dimensions provided by theEngMath family o...

    Authors: Virgínia Brilhante

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192376

    Content type: OriginalPaper

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  10. Software engineering is knowledge-intensive activity and knowledge is thought to be the most important asset in an organization. Therefore this paper presents an approach to support Knowledge Management in Sof...

    Authors: Karina Villela, Gleison Santos, Lílian Schnaider, Ana Regina Rocha and Guilherme Horta Travassos

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192375

    Content type: OriginalPaper

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  11. Workflow management systems usually interpret a workflow definition rigidly. However, there are real life situations where users should be allowed to deviate from the prescribed static workflow definition for ...

    Authors: Tatiana A. S. C. Vieira, Marco A. Casanova and Luis G. Ferrão

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192374

    Content type: OriginalPaper

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  12. Searching for information in long videos can be a time-consuming experience. In this paper, we describe OnAIR, an ontology-aided information retrieval system applied to retrieve clips from video collections.

    Authors: Christian Paz-Trillo, Renata Wassermann and Paula P. Braga

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192373

    Content type: OriginalPaper

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  13. Virtual organization refers to the temporary teaming of enterprises. By sharing physical, human and knowledge resources via information technologies, a virtual organization enables member enterprises to share ...

    Authors: Qinhe Zheng and Xiaoqin Zhang

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192371

    Content type: OriginalPaper

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  14. Knowledge Management (KM) is considered by many organizations a key aspect in sustaining competi-tive advantage. Designing appropriate KM process and enabling technology face considerable risks, as they must b...

    Authors: Renata S. S. Guizzardi and Anna Perini

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192370

    Content type: OriginalPaper

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  15. This paper introduces systems of exchange values as tools for the organization of multi-agent systems. Systems of exchange values are defined on the basis of the theory of social exchanges, developed by Piaget...

    Authors: Gracaliz P. Dimuro, A. C. Rocha Costa and Luiz A. M. Palazzo

    Citation: Journal of the Brazilian Computer Society 2005 11:BF03192369

    Content type: OriginalPaper

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  16. Current and future computerized systems and infrastructures are going to be based on the layering of different systems, designed at different times, with different technologies and components and difficult to ...

    Authors: Paolo Lollini, Andrea Bondavalli and Felicita Di Giandomenico

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192366

    Content type: OriginalPaper

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  17. This work introduces a new system-level diagnosis model and an algorithm based on this model: Hi-Comp (Hierarchical Comparison-based Adaptive Distributed System-Level Diagnosis algorithm). This algorithm allow...

    Authors: Luiz Carlos Pessoa Albini, Elias Procópio Duarte and Roverli Pereira Ziwich

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192365

    Content type: OriginalPaper

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  18. Due to their fundamental role in the design of fault-tolerant distributed systems, consensus protocols have been widely studied. Most of the research in this area has focused on providing ways for circumventin...

    Authors: Lívia Sampaio, Francisco Brasileiro, Raul Ceretta Nunes and Ingrid Jansch-Pôrto

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192364

    Content type: OriginalPaper

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  19. In this paper the behavior of assertion-based error detection mechanisms is characterized under faults injected according to a quite general fault model. Assertions based on the knowledge of the application ca...

    Authors: Paula Prata, Mario Rela, Henrique Madeira and João Gabriel Silva

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192363

    Content type: OriginalPaper

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  20. Component-based development (CBD) is recognized today as the standard paradigm for structuring large software systems. However, the most popular component models and component-based development processes provi...

    Authors: Fernando Castor Filho, Paulo Asterio de C. Guerra, Vinicius Asta Pagano and Cecília Mary F. Rubira

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192362

    Content type: OriginalPaper

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  21. Authors: Rogério de Lemos and Eliane Martins

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192361

    Content type: Letter From the Guest Editors

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  22. Distributed Shared Memory systems allow the use of the shared memory programming paradigm in distributed architectures where no physically shared memory exist. Scope consistent software DSMs provide a relaxed ...

    Authors: Alba Cristina M. A. Melo, Maria Emilia M. T. Walter, Renata Cristina F. Melo, Marcelo N. P. Santana and Rodolfo B. Batista

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192360

    Content type: OriginalPaper

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  23. Design patterns offer flexible solutions to common problems in software development. Recent studies have shown that several design patterns involve crosscutting concerns. Unfortunately, object-oriented (OO) ab...

    Authors: Cláudio Sant’Anna, Alessandro Garcia, Uirá Kulesza, Carlos Lucena and Arndt von Staa

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192358

    Content type: OriginalPaper

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  24. Agile software processes emerged to address the issue of building software on time and within the planned budget. To adopt an agile process, it is imperative to analyze and evaluate its effectiveness in suppor...

    Authors: Américo Sampaio, Alexandre Vasconcelos and Pedro R. Falcone Sampaio

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192357

    Content type: OriginalPaper

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  25. Agile Methods propose a new way of looking at software development that questions many of the beliefs of conventional Software Engineering. Agile methods such as Extreme Programming (XP) have been very effecti...

    Authors: Alfredo Goldman, Fabio Kon, Paulo J. S. Silva and Joseph W. Yoder

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192356

    Content type: OriginalPaper

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  26. Non-functional requirements (NFRs) are rarely taken in account in most software development processes. There are some reasons that can help us to understand why these requirements are not explicitly dealt with...

    Authors: Nelson Souto Rosa, Paulo Roberto Freire Cunha and George Roger Ribeiro Justo

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192354

    Content type: OriginalPaper

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  27. Reflection is now an established technique for achieving dynamic adaptability of middleware platforms. It provides a clean and comprehensive way to access the internals of a platform implementation, allowing i...

    Authors: Fábio M. Costa and Bruno da Silva Santos

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192353

    Content type: OriginalPaper

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  28. Nowadays computing environments are made of heterogeneous networked resources, but unlike environments used a decade ago, the current environments are highly dynamic. During a computing session, new resources ...

    Authors: Francisco J. Ballesteros, Gorka Guardiola Muzquiz, Katia Leal Algara, Enrique Soriano, Pedro de las Heras Quirós, Eva M. Castro, Andres Leonardo and Sergio Arévalo

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192352

    Content type: OriginalPaper

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  29. This paper makes three contributions to research on QoS-enabled middleware for open distributed real-time embedded (DRE) systems. First, it describes the design and implementation of a dynamic scheduling frame...

    Authors: Christopher Gill, Louis Mgeta, Yuanfang Zhang, Stephen Torri, Yamuna Krishnamurthy, Irfan Pyarali and Douglas C. Schmidt

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192351

    Content type: OriginalPaper

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  30. This paper presents a comprehensive approach to describe, deploy and adapt component-based applications having dynamic non-functional requirements. The approach is centered on high-level contracts associated t...

    Authors: Orlando Loques, Alexandre Sztajnberg, Romulo Curty and Sidney Ansaloni

    Citation: Journal of the Brazilian Computer Society 2004 10:BF03192350

    Content type: OriginalPaper

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