Complex control tasks may be solved by dividing them into a more specific and more easily handled subtasks hierarchy. Several authors have demonstrated that the incremental layered evolution paradigm allows obtaining controllers capable of solving this type of tasks.
In…

En este artículo se presenta el trabajo que se está realizando para la llamada
ontologización superficial de WordNet, una estructura orientada a superar muchos de los
problemas estructurales de la popular base de conocimiento léxico. El resultado esperado es un

Este trabajo tiene como objetivo ofrecer un
repaso de la vida de la fundadora de la
enfermería profesional y del contexto histórico-sociocultural en el cual se desarrolló.
Florence Nightingale era la primera teórica de
enfermería, supo aplicar sus conocimientos de…

A new terrestrial species of Pseudoeurycea is described from the mountains of the Mixteca region of Oaxaca. Compared with other members of the genus, the new species is relatively slender and short-legged. The background color of the dorsum of this…

A new tertiary stibine and bismuthine containing C-heterocyclic selenophene ring have been synthesized. Tris(2-selenophenyl)stibine (1) and tris(2-selenophenyl) bismuthine (2) and characterized by IR, MS, H-1, C-13, COSY, HETCOR NMR spectroscopy. Crystal structures of stibine and bismuthine have been determined. In…

Personalization of web sites has become an important issue in web modeling methods. Many of these methods use similar approaches to specify personalization. However even with similar (personalization) requirements the resulting implementations differ. The consequence is that we cannot reuse…

Les mécanismes cellulaires et moléculaires qui sous-tendent la mémoire et l’apprentissage chez les mammifères sont incomplètement compris. Le rythme thêta de l’hippocampe constitue l’état « en ligne » de cette structure qui est cruciale pour la mémoire déclarative. Dans la…

PRESENTATION: The National Consortium for Bioinformatics (CNBi) is a multidisciplinary center dedicated to research, development, management and technical support on questions arising from bioinformatics. It was created by a joint effort between three laboratories from São Paulo state in Brazil:…

Generar el diseño geométrico vial empleando los conocimientos obtenidos en la Universidad Politécnica Salesiana y con apoyo del paquete computacional Autodesk Land Desktop, adaptándose a la realidad del sitio., Generate geometric road design using knowledge gained Salesian Polytechnic University, with…

C’est principalement par le cinéma que nous connaissons et partageons le réel des villes, même celles dans lesquelles nous vivons. Par le cinéma, nous découvrons plus de villes que nous n’en visiterons jamais. Nous connaissons des villes que nous n'avons…