Cuando el control y gestión del Canal de Panamá pasó al estado panameño a finales de 1999, el gobierno comenzó a preparar un plan para su modernización. Este plan incluía la construcción de nuevas esclusas para que pudieran atravesarlo un…

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…

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 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…

An important tool for teaching is used at University of Alicante: the virtual campus. We think that information and communication technologies can help us to improve our teaching. Last year, we prepared some materials for our students and checked whether…

This work presents the main theories and models formulated with the purpose of offering a global overview on the acquisition of knowledge and skills involved in the initial development of expert competence. Setting from this background, we developed an empirical…

We develop a theory to explain the transition from stagnation to modern growth. We focus on the forces that shaped the evolution of total factor productivity in agriculture and manufacturing across history. More specifically, we build a multisector model of…

El desarrollo de sistemas de diálogo prácticos, orientados a aplicaciones específicas,
requiere un esfuerzo de diseño muy elevado. La práctica en el desarrollo, manejo y refinamiento
de sistemas concretos nos ha hecho ver que una de las razones de este…

En este trabajo se ha desarrollado un sistema para la resolución computacional de la anáfora generada en el uso del lenguaje natural por pronombres (personales y demostrativos) y anáforas adjetivas en los diálogos. El método propuesto se basa en el…

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…