The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…

A grande maioria dos Sistemas de Gerenciamento de Aprendizagem predominantemente em uso no ensino com suporte computacional são estáticos e lineares, ou seja, apresentam o mesmo conteúdo instrucional para os diversos estudantes sem considerar o nível de aquisição de conhecimentos…

Los modelos gráficos probabilísticos, tales como las redes bayesianas y los diagramas de influencias permiten representar de forma coherente el conocimiento de un dominio bajo condiciones de incertidumbre. Están basados en los fundamentos de la teoría de la probabilidad y…

In the last decade, advertising agency industry has experienced an enormous growth prompted by the structural and technological advances. According to The European Advertising and Media Forecast, from 1990 to 2000, in the assembly of the countries of the European…

In the present paper I describe the conceptual level of representation of a database, currently in development, which aims at fulfilling the Functional-Lexematic model. I will concentrate on the semantic component, as it is central for the theory of Functional…

Using the underlying idea of the current-mode control, a new dynamical, sliding-mode control for the boost dc-dc converter is proposed. Such controller is easy to design, robust under load and input voltage variations, exhibits fast response, does not depend on…

1. Introduction to academic networks 2. Conceptual framework of networking: internal and external connections that bring relevance 3. Making knowledge through academic networks supported in technologies 4. Meetings and disagreements in the contribution to academic networks for knowledge construction, References

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In this paper, a supervised learning system of word sense disambiguation is presented. It is based on conditional maximum entropy models. This system acquires the linguistic knowledge from an annotated corpus and this knowledge is represented in the form of…

Enfermería, profesión especializada en los
cuidados a personas, se enfrenta en estos
momentos al hecho de tener que prestar cuidados
a personas de otras culturas. A veces son
percibidas sólo con aspectos negativos y muchas
veces sin ser conscientes de…