A produção animal nos ecossistemas do semi-árido é influenciada pela variabilidade espacial e interanual da oferta quantitativa e qualitativa de recursos forrageiros. A dinâmica da acumulação de fitomassa para a maioria das diferentes espécies da caatinga é pouco conhecida, o…

The knowledge imperfections should be considered when modeling complex problems. A solution is to develop a model that reduces the complexity and another option is to represent the imperfections: uncertainty, vagueness and incompleteness in the knowledge base. This paper proposes…

In this work we present an approach to model an action-oriented system controlled by BDI agents using a defeasible argumentation formalism to represent its knowledge. Here, our main concern will be modelling the software agents that drive the physical robots.

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Biogeography is a discipline included in comparative biology that studies the distribution of organisms, the distributional patterns of organisms are analyzed through the application of different methods, depending on the question formulated. In this work the principles and advantages of…

Diabetes mellitus is a syndrome which affects more and more people in all countries over the world. In Mexico, it is commonly treated with herbal extracts. Such treatment may be of considerable benefit especially during the early stages of the…

This paper presents a group of elements to improve the teaching and learning in technological education, applied to Information and Communication Technologies (ICT). These elements are based on some contributions issued from contemporary education models, namely, the thematic approach, meaningful…

La Enfermería no ha sido ajena a la investigación, pues fue Florence Nightingale quien la introdujo por primera vez. La investigación ofrece la posibilidad de mejorar y desarrollar la profesión, tanto en su componente disciplinar como clínico. En este trabajo…

En: Proceedings of KR-2006, Tenth International Conference on Principles of Knowledge Representation and Reasoning, Lake District of the United Kingdom, june 2-5, 2006, p. 90-99

Grâce aux nanotechnologies, l’être humain peut maîtriser la matière à l’échelle du nanomètre — soit au niveau des atomes et des molécules. Les matériaux obtenus suite à ces manipulations présentent des propriétés nouvelles qui les rendent très intéressants pour nombre…