Collaborative systems are becoming a widely used tool particularly among professional communities and research groups. They provide a suitable context for distributed people working on the same subject to concentrate their work in a shared place to which everyone has…

This paper presents a proposal for an architecture that integrates knowledge discovery systems (automatic acquisition) and knowledge based systems (experts systems). This work formulates considerations over the viability of the implementation of this architecture according to the advance of the…

Me propongo analizar y discutir algunos resultados de una investigación etnográfica desarrollada en comunidades Mbya Guaraníes (Misiones, Argentina) acerca de las representaciones y prácticas relacionadas con la crianza y el desarrollo infantil.
En este trabajo caracterizo las categorías, representaciones y…

The paper presents a formal model for a knowledge repository shared by members of a Virtual Community of Practice (VCPs), describes how the repository can be used to underpin collaborative problem solving, and how to build computer support for such…

In a multi-agent system, a group of individ- uals interact in a social context in order to boost their capabilities and enhance global per- formance. Each individual's action repertoire may be reduced, but it's social capability allows it to interact…

The book is intended to be used in an introductory and intermediate level course on computer networks, both whitin Computer Science and Electric Engineering scopes. One of its characteristics is that the entire research software is presented in Java, but…

Fontes de informações sobre medicamentos são na maioria das vezes inacessíveis aos usuários e
quando disponíveis existe uma barreira relativa ao conhecimento técnico, na maioria das vezes exigido para
a compreensão destas. Os centros de informações sobre medicamentos aparecem como…

Las especies vegetales con propiedades curativas han sido utilizadas por el hombre desde hace
miles de años con el fin de aliviar dolencias de diferentes tipos. Es así que las plantas medicinales y sus
preparaciones farmacéuticas tienen cada vez mayor…

Humans have always been intrigued by their ability to reason. We have constantly attempted to emulate this process, trying almost everything, from physiological explanations, to sociological accounts. The approach with possibly the longest tradition conceives this process as a mere…

Denominada comumente cipó-de-fogo, Pyrostegia venusta é uma trepadeira por gavinhas, perene, empregada como ornamental devido às vistosas inflorescências de cor laranja, e como medicinal para o tratamento de diarréia e disenteria. Ensaios fitoquímicos identificaram alantoína, β-sitosterol e hesperidina na espécie.…