This paper provides lessons learned and some unexpected transformations in the learning process when advanced collaboration technology was used to overcome limitations of a popular, existing collaboration technology. The activities pursued in these advanced undergraduate and graduate computer and information…

Distance learning courses need intensive planning that, in turn, requires the integration of knowledge and expertise in different areas and levels such as curriculum, ICTs and course management. This paper presents an integrated approach for distance learning course planning that…

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…

Las Naciones Unidas han proyectado que para cerca del año 2050, el planeta estará habitado diez mil millones de personas. Abastecer de alimentos a esa futura población con una dieta adecuada en cantidad y calidad es un desafío. La producción…

El texto presenta las obras ficcionales preferidas entre los lectores de Río de Janeiro en la primera mitad del ochocientos. Se hace una comparación con los libros de mayor difusión en Paris en el mismo período, observando de manera sincrónica…

Effective document retrieval using domain knowledge and semantics is one of the major challenges in Information Retrieval. Over the last years, there has been a growing interest in ontologies as an artifact for human knowledge representation and a critical component…

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…

El objetivo de este trabajo es acercarnos al conocimiento de los intermediarios culturales que habitaron el espacio fronterizo bonaerense en la primera mitad del siglo XIX. La elección de este período se fundamenta en que a lo largo del mismo…

Este artículo tiene por propósito realizar un aporte más al conocimiento de la problemática socio-económica de la Puna argentina, específicamente a su estructura agraria, atendiendo los cambios y permanencias relativos a la propiedad y tenencia de la tierra, clave del…

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,…