I shall describe a model of the evolution of the rule-structured knowledge that serves as a cornerstone of our development of computer-based coaches. The key idea is a graph structure whose nodes represent rules, and whose links represent various evolutionary…

Tendências do mundo atual giram em torno de manter-se atualizado e conectado às diversas e rápidas informações que
surgem a todo instante nos mais diversos lugares. As Tecnologias da Informação e Comunicação (TIC’s), dessa forma,
possuem o objetivo…

The guava (Psidium guajava 1.) cv. Paluma has been cultivated in Sao Francisco Valley, Northeastern of Brazil, for in natura consumption and processing purposes. In spite of its importance, there are few scientific knowledge regarding guava physiology, nutrition, irrigation and…

This paper descries D-SCRIPT, a language for representing knowledge in artificial intelligence programs. D-SCRIPT contains a powerful formalism for descriptions, which permits the representation of statements that are problematical for other systems. Particular attention is paid to problems of opaque…

The construction of expert problem-solving systems requires the development of techniques for using modular representations of knowledge without encountering combinatorial explosions in the solution effort. This report describes an approach to dealing with this problem based on making some knowledge…

La sociedad del conocimiento actual demanda que el ser humano mantenga una actitud de continuo aprendizaje. Pues la complejidad del aprendizaje
universitario comprende una red de elementos organizados con base en los principios: dialógico, recursivo y hologramático. El presente artículo

This paper introduces a model of spatial cognition to describe the states of partial knowledge that people have about the spatial structure of a large-scale environment. Spatial knowledge has several different representations, each of which captures one aspect of the…

Este trabajo es el resultado de la sistematización del proceso dirigido a la producción colectiva de textos, desarrollado con los miembros de los pueblos barí y yukpa, en el marco de un proyecto de la División Regional de Asuntos Indígenas…

Freud's theory of jokes explains how they overcome the mental "censors" that make it hard for us to think "forbidden" thoughts. But his theory did not work so well for humorous nonsense as for other comical subjects. In this essay…

We propose a vision of the structure of knowledge and processes of learning based upon the particularity of experience. Highly specific cognitive structures are constructed through activities in limited domains of experience. For new domains, new cognitive structures develop from…