Quand le E-learning a émergé il ya 20 ans, cela consistait simplement en un texte affiché sur un écran d'ordinateur, comme un livre. Avec les changements et les progrès dans la technologie, le E-learning a parcouru un long chemin, maintenant…

It is interesting and important to compare, analyze and assess the alternative tools that could be used in the area of Knowledge Representation. In this paper we present a reasearch line associated to this goal: to formally establish the relation…

Given an instance of an optimization problem together with an optimal solution, we consider the scenario in which this instance is modified locally. In graph problems, e. g., a singular edge might be removed or added, or an edge weight…

Este artículo esboza la nueva visión de la ciencia y tecnología en Venezuela,
en la cual se está construyendo el nuevo modelo económico, político, social y
cultural que implica la apropiación social del conocimiento científico y técnico
para facilitar la…

La investigación pretende develar representaciones privilegiadas en torno a procesos de enseñanza y aprendizaje de matemática; profesores y estudiantes adoptan ideas y prácticas
sometidas a debate y reflexión para el logro de elaboraciones significativas; planteando
que no pueden desligarse de…

Communication over interference channels poses challenges not present for the more traditional
additive white Gaussian noise (AWGN) channels. In order to approach the information
limits of an interference channel, interference mitigation techniques need to be
integrated with channel coding and…

El artículo desarrolla la temática de identidad profesional del Trabajo Social a partir de abordar los conceptos de tradición, historia, sentido, experiencia. Señala la presencia de la heterogeneidad en dicha construcción. Incorpora la categoría “identidad de frontera”, clave para comprender…

The Semantic Web purports to give computeraccessible meaning to the content of the World Wide Web. The rationale behind this project is to create an environment where all this information could be freely exchanged among diverse entities, yet retaining its…

AIM: To discover whether nursing students believed that a post-registration cardiac module was meeting their needs.

METHOD: A descriptive qualitative approach was used in this study. Semi-structured interviews were recorded with a purposive sample of six registered nurses who…

A re-design process implies dealing with complex interactions between stakeholders, especially if we are talking about a personalization re-engineered process, which can be applied to an existing web application. In this context, knowledge becomes a main factor of influence, but…