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Publicações

Publicações por Luís Soares Barbosa

2017

A Framework for Certification of Large-scale Component-based Parallel Computing Systems in a Cloud Computing Platform for HPC Services

Autores
Dantas, AllbersonBrunodeOliveira; Junior, FranciscoHerondeCarvalho; Barbosa, LuisSoares;

Publicação
CLOSER 2017 - Proceedings of the 7th International Conference on Cloud Computing and Services Science, Porto, Portugal, April 24-26, 2017.

Abstract

2016

Digital Government and Administrative Burden Reduction

Autores
Veiga, L; Janowski, T; Barbosa, LS;

Publicação
9TH INTERNATIONAL CONFERENCE ON THEORY AND PRACTICE OF ELECTRONIC GOVERNANCE (ICEGOV 2016)

Abstract
Administrative burden represents the costs to businesses, citizens and the administration itself of complying with government regulations and procedures. The burden tends to increase with new forms of public governance that rely less on direct decisions and actions undertaken by traditional government bureaucracies, and more on government creating and regulating the environment for other, non-state actors to jointly address public needs. Based on the reviews of research and policy literature, this paper explores administrative burden as a policy problem, presents how Digital Government (DG) could be applied to address this problem, and identifies societal adoption, organizational readiness and other conditions under which DG can be an effective tool for Administrative Burden Reduction (ABR). Finally, the paper tracks ABR to the latest Contextualization stage in the DG evolution, and discusses possible development approaches and technological potential of pursuing ABR through DG.

2017

Layered Logics, Coalgebraically

Autores
Barbosa, LS;

Publicação
Dynamic Logic. New Trends and Applications - First International Workshop, DALI 2017, Brasilia, Brazil, September 23-24, 2017, Proceedings

Abstract

2014

ReCooPLa: a DSL for Coordination-based Reconfiguration of Software Architectures

Autores
Rodrigues, F; Oliveira, N; Barbosa, LS;

Publicação
3rd Symposium on Languages, Applications and Technologies, SLATE 2014, June 19-20, 2014 - Bragança, Portugal

Abstract

2014

A self-adaptation strategy for service-based architectures

Autores
Oliveira, N; Barbosa, LS;

Publicação
2014 EIGHTH BRAZILIAN SYMPOSIUM ON SOFTWARE COMPONENTS, ARCHITECTURES AND REUSE (SBCARS)

Abstract
Self-adaptive software systems are known to respond at run time to changes detected internally or in their environment, in an attempt to keep meeting their own functional requirements and agreed levels of service. Such response usually targets their architectures and involve, in particular, the possibility of their dynamic reconfiguration. In contexts where change is the rule rather than the exception, it is difficult to predict when exactly such reconfigurations are needed, and if they will lead the system into a suitable configuration. However, knowing the main attributes of the context, it is possible to plan configurations that will be more likely to perform well in some conjugation of values for such attributes. In this paper we discuss both a model that lays down reconfiguration strategies, planned at design time, and a strategy which actively uses such a model to trigger architectural adaptations at run time. This strategy builds on a framework intended to the formal verification of architectural requirements, either from a qualitative or quantitative (probabilistic) perspective.

2016

Applying the 3C Model to FLOSS Communities

Autores
Fernandes, S; Barbosa, LS;

Publicação
COLLABORATION AND TECHNOLOGY, CRIWG 2016

Abstract
How learning occurs within Free/LibreOpen Source (FLOSS) communities and what is the dynamics of such projects (e.g. the life cycle of such projects) are very relevant questions when considering the use of FLOSS projects in a formal education setting. This paper introduces an approach based on the 3C collaboration model (communication, coordination and cooperation) to represent the collaborative learning dynamics within FLOSS communities. To explore the collaborative learning potential of FLOSS communities a number of questionnaires and interviews to selected FLOSS contributors were run. From this study a 3C collaborative model applicable to FLOSS communities was designed and discussed.

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