Este artículo presenta la arquitectura de un Asistente virtual que ofrece funciones de apoyo al usuario en el proceso de producción de textos para la enseñanza y el aprendizaje de idiomas. Se definen dos funciones específicas ...

Human spatial memories are usually evaluated using computer screens instead of real arenas or landscapes where subjects could move voluntarily and use allocentric cues to guide their behavior. A possible approach to fill ...

The emergence and the evolution of new technologies led to an exponential growth of Computer Networks in both size and complexity of infrastructure. Thus, it increased the demand for trained professionals able to plan and ...

This study explores the role of quantity of information on vocabulary acquisition in a virtual world. Previous studies have shown that, although it makes interpretation more lengthy, speakers include more information in ...

The use of collaborative environments in education has shown to be an effective tool in the dissemination of knowledge at a distance, providing a space for collective and collaborative study among the participants. Since ...

Evaluating user behavior in virtual reality environments is a challenging task, requiring leading with spatial user freedom and with non-conventional visualization and interaction devices. By gathering and analyzing user ...

BACKGROUND: Knowing their current position in the surroundings constitutes one of the biggest challenges faced by people with visual disabilities when they move around. For them, it is difficult to be aware of the direction ...