Integrating Collaborative and Decentralized Models to Support Ubiquitous Learning

Integrating Collaborative and Decentralized Models to Support Ubiquitous Learning

Jorge Luis Victória Barbosa (University of Vale do Rio dos Sinos (UNISINOS), São Leopoldo, Brazil), Débora Nice Ferrari Barbosa (Feevale University, Novo Hamburgo, Brazil), Sandro José Rigo (University of Vale do Rio dos Sinos (UNISINOS), São Leopoldo, Brazil), Jezer Machado de Oliveira (University of Vale do Rio dos Sinos (UNISINOS), São Leopoldo, Brazil) and Solon Andrade Rabello Jr. (University of Vale do Rio dos Sinos (UNISINOS), São Leopoldo, Brazil)
DOI: 10.4018/ijicte.2014070106
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Abstract

The application of ubiquitous technologies in the improvement of education strategies is called Ubiquitous Learning. This article proposes the integration between two models dedicated to support ubiquitous learning environments, called Global and CoolEdu. CoolEdu is a generic collaboration model for decentralized environments. Global is an infrastructure designed to create ubiquitous learning environments. Global provides software agents that perform tasks common to ubiquitous learning processes. By extending these agents or adding new ones, a system can be specialized to support ubiquitous learning environments. The CoolEdu/Global integration created a collaborative and decentralized ubiquitous learning environment. The resulting environment was evaluated through a simulated scenario dedicated to explore its functionalities. The results were encouraging and showed the potential of deploying the environment in real situations.
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The Global Model

Figure 1 shows the architecture of Global. In the center there are six software agents, which are supported by four components represented by APIs The agents offer a set of features for learning support. Each instance of Global runs on a device, and the absence of an agent compromises only the features that rely on it. The following paragraphs describe the agents and components.

Figure 1.

Global architecture

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