En este artículo se expone el caso de un mulato guatemalteco que tuvo acceso a la alta cultura, pese a que pertenecía a un estrato social bajo. El mulato leyó libros y autores de temas religiosos: la Biblia, fray Luis…

En los últimos veinte años se ha asistido a cambios importantes en la edición de revistas de geografía en España. Ha aumentado notablemente el número de títulos publicados y se ha producido una progresiva y constante adaptación a los criterios…

During the second semester of 1997 the project "Utilización de pronósticos climáticos para actividades agrícolas en Tlaxcala" was instrumented with the purpose of aiding decision making in agricultural activities in the estate of Tlaxcala, México. The main objective of the…

This dissertation presents a model of the knowledge a person has about the spatial structure of a large-scale environment: the "cognitive map". The functions of the cognitive map are to assimilate new information about the environment, to represent the current…

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…

This report investigates some techinques appropriate to representing the knowledge necessary for understanding a class of electronic machines -- radio receivers. A computational performance model - WATSON - is presented. WATSONs task is to isolate failures in radio receivers whose…

This work extends the semantics and implementation of fuzzy prolog presented in [VGM02] in order to include Default Knowledge capability. The new semantic allows non-uniform default assumptions and has Closed World Assumption (CWA) and Open World Assumption (OWA) as particular…

The rapid advancement in Information and Communication Technology is driving a revolutionary change in the way organizations do business. The fast growing capabilities of both generating and collecting data has generated an imperative need for new techniques and tools that can…

There are some factors that are important to determine students’ level of proficiency in English. Many authors have made different studies about how proficiency is influenced by some factors. One of these factors is personality, which is defined as one…

Throughout the history of education there have been several attempts to innovate and improve the methodologies to improve the teaching and learning process. Those changes have had a minimal, but important advance because the positivist- knowledge centred view that had…