Classical knowledge production is an author-centered process. The emergence of cooperative internet technologies such as wikis or blogs shows a shift towards stronger cooperative production and communication of knowledge, closing the gap between readers and authors. The incorporation of such…

The accomplishment of systems with abilities to reason about actions and change and systems that can manage incomplete or not very reliable information with abilities to discuss or argument has been of great importance for artificial intelligence community. These two…

Se podría pensar que la innovación es un proceso irregular que no se puede sistematizar. Hay organizaciones que no lo consideran de este modo, e intentan asegurar una gestión regular en el proceso de innovación. Sin embargo esta gestión no…

El contenido de materia orgánica (MO) del suelo se relaciona positivamente, en algunos casos, con la superficie específica (SE) del mismo, pero grandes cantidades de MO pue­den resultar en una SE menor, cuando se la determina a través de la…

Este trabajo busca conocer cómo se distribuyen los artefactos líticos en el componente inferior, del Pleistoceno final, del sitio Casa del Minero 1, Meseta Central de Santa Cruz.
Estos estudios se vinculan con los análisis previos realizados en el sitio…

This paper aims to clarify an economic mechanism behind the growing dichotomy between geo-economics and the borderless global knowledge economy. The proposed hypothesis is that geo-economic fault-lines, which are the product of the past prejudices of racial, linguistic, and cultural…

This paper contributes to the empirical literature on pensions and saving by studying the influence of funded pension systems on the gross national saving rate using a sample of 48 developed and developing countries over the 1980-2004 period. To the…

Se describe la variación ontogenética del esqueleto de 13 embriones de Tupinambis merianae y 11 de Tupinambis rufescens, detectándose heterocronías entre ambas especies. Los resultados muestran que los elementos dermales (tanto del cráneo como de la cintura pectoral) osifican antes…

In the last few years, several studies have emphasized the use of ontologies as an alternative to organization of the information.
The notion of ontology has become popular in fields such as intelligent information integration, information retrieval on the Internet,…

The glacigenic boulders from the Hirnantian Don Braulio Formation of the Argentine Precordillera contain a well preserved shelly fauna allowing to a better knowledge of brachiopods and bivalves, but gastropods remain undescribed. The purpose of this paper is to give…