Issues related to maternal mortality have generated a lot of empirical and theoretical information. However, despite the amount of work published on the topic, maternal mortality continues to occur at high rates and solutions to the problem are still not…

Los Objetivos de Desarrollo del Milenio, y dentro de éstos las Metas del Milenio, constituyen un plan operativo para la consecución de logros básicos dirigidos al alcance de la salud, la erradicación de la pobreza y el cumplimiento de los…

There are different approaches used by mathematics teacher educators to help pre-service primary teachers develop the useful skills and knowledge required to teach mathematics. One of these approaches is concerned to learning to notice relevant aspects in mathematics teaching. But…

El presente trabajo es una investigación sobre la adecuación del material empleado en las actividades de autoaprendizaje y su valoración en la asunción de las competencias de la guía docente de Lenguaje Musical para el alumnado de la diplomatura de…

This paper describes the development of an image retrieval
system that combines probabilistic and ontological information1. The
process is divided in two different stages: indexing and retrieval. Three
information flows have been created with different kind of information
each one:…

In this paper a new conception of science is defined, which opposes apocalyptic points of view —science is a perverse knowledge leading to world destruction—, to irenist points of view —science is an armonic knowledge, as a puzzle where we…

In this paper, a restricted domain question answering (QA) system is described. The design architecture of this QA system and the features that allow the adaptation of the QA system to the medical domain are also presented. The advantages of…

Aprender, desde un punto de vista sociocultural, está relacionado con cómo las personas se apropian de herramientas para pensar y actuar en una comunidad de práctica. Esta perspectiva del aprendizaje tiene implicaciones sobre el diseño de las tareas y entornos…

El propósito de este artículo es ofrecer una primera aproximación crítica a
la contribución de Hayden White a la teoría del conocimiento histórico. En la
primera parte, se presentan aquellos elementos de esa contribución que se consideran más genuinos y…

Heterogeneous azeotropic distillation is a widely used technique to separate binary azeotropic mixtures into their components. One of its most important applications is the dehydration of ethanol, which is blended with gasoline to obtain automobile fuel. Among all the compounds…