Frequently we become amazed with the increasing number of problems to be solved that fiourish while facing daily activities. Often, related to these problems we llave also an incredible amount oí data. Since we cannot allways afford time and resources…

The notion of context and its importance in knowledge representation and nonmonotonic reasoning was first discussed in Artificial Intelligence by John McCarthy.
Ever since, contexts have found many applications in developing knowledge-based reasoning systems.
Defeasible argumentation has gained wide acceptance…

The problem of speeding up ínference has proved to be important in argumentative systems. When computing dialectical structures, several paths are searched (called argumentation lines), many of which will eventually prove useless. Morover, the performance of backward chainers degrades quickly…

The matrix connection method (MCM) is an alternative procedure for theorem proving than the usual resolution technique. We already have used the MCM for finding models in a real-time knowledge-based system generator. In this paper, we adapt the MCM to…

In this study we propose the standard modal logic KD43 as the logle governing expressions about Utopia. We define a formal construction corresponding to Utopian expressions In ordlnary language that we name utopian eonditionals.
They possess the singular properties of…

In this article we examine and expose some of the results of a research work based on the appropriation of knowledge through visual expression, activity attended by teachers and students outside the schooleducational method called "Open Classroom".After the investigation, it…

This paper present the structure, function and performance of SPOST, a broad coverage, rule-based part-of-speech tagger developed as a component of the Pagnlyzer Spanish Analysis Component of the Pangloss Knowledge-based Machine Translation System. It also describes preparations for the general…

In Disability Studies, Universal Design (UD) is a concept that is often borrowed from an architectural or design context to mean an ideology of inclusion and flexibility with a range of applications in education, technology, and other milieus. This paper…

The production planning radiofó-nica is essential to achieve greater impact ofmessages. This article explains a way to design-NAR program or radio spot, which can be transmitted in a cultural station as presetUniversity of Costa Rica, or commercial. Itstresses the importance…

The body language is a disciplinethat gives humans the ability to communicate feelings, moods, emotions, knowledge and feelings creatively and referring to the opinion of the man andwomen. Lets spontaneously manifest itselfline from the body of knowledge in an individual…