La aparición de la teoría de las revoluciones científicas de Thomas S. Kuhn supuso una intensa alteración para la didáctica de las ideas del pensamiento de las ciencias —entre ellas, la geografía—; desde entonces éste se presenta como una sucesión…

Diagnosis is an important process in patient care. A suitable diagnosis helps a physician determine a precise treatment. Physicians also have a tendency to seek collaboration from other colleagues and expert systems for better confidence in their decision. The sources…

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…

Las listas de palabras con sus frecuencias se usan ampliamente en muchos procedimientos de agrupamiento y categorización de textos. Usualmente para la compilación de tales listas se usan las aproximaciones basadas en morfología (como el stemmer de Porter) para unir…

After an impressive development throughout the last two decades, supported by a great
amount of research and innovation, science education seemed to be becoming a new scientific domain.
This transformation of Science Education into a specific field of research and…

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…

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…

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…

Purpose – Faced with increasing environmental problems, traditional methods for transmitting information regarding corporate environmental actions are insufficient. Accordingly, the purpose of this paper is to suggest the environmental capital report, the knowledge map and the balanced scorecard as alternative…

Multi-agent systems (MAS) offer an approach to solve complex problems where data and control are inherently distributed among several agents. Normally, agents have to cope with conflicts based on inconsistent knowledge which arise when they exchange information. A relative common…