Los estudios previos sobre la integración social de los migrantes en sus países
de destino, en particular sobre parejas interétnicas, coinciden en dar
importancia al mismo conjunto de variables. Este estudio pretende
proporcionar una prueba más del valor generalizable de…

Este estudio analiza las diferencias en la integración de extranjeros viviendo
en intra e interétnicas parejas en Alemania. La teoría de la distancia social
asume que los migrantes que forman parte de una pareja mixta estarán mejor
integrados o, al…

We describe the design, implementation and deployment of the multi-level agent-based system architecture developed for the SEWASIE project. The aim of the system is to help the user in querying heterogeneous data sources which are integrated by means of ontologies.…

A Federated System is a collection of independent, cooperative, possibly heterogeneous and autonomous computer systems (usually database systems) which allows sharing all or some of its data. A Service-Oriented Architecture is an application architecture whose functionalities are defined as independent…

Este trabajo aporta nuevas evidencias sobre el impacto de las reformas comerciales sobre los salarios. En primer lugar, se introduce un modelo de comercio que combina un mecanismo de fijación de salarios no competitivo debido a la existencia de sindicatos,…

Applying design patterns is considered a helpful technique for designing software systems.
Patterns description, however, results not sufficiently precise providing a weak understanding and making it difficult to be certain when a pattern is being used correctly. We have formally…

Most information in science, engineering and business has been recorded in form of text. This information can be found online in the World-Wide-Web. One of the major tools to support information access are the search engines which usually use information…

Since huge amounts of spatial data can be easily collected from various applications, ranging from remote sensing technology to geographical information system, the extraction and comprehension of spatial knowledge is a more and more important task. Many excellent studies on…

Resumen de la tesis del autor para obtener el grado de Magister en Redes de Datos de la Facultad de Informática de la UNLP, dirigida por Luis Armando Marrone.

Vertical partitioning, in which attributes of a relation are
assigned to partitions, is aimed at improving database
performance. We extend previous research that is based on
a single relation to multi-relation database environment,
by including referential integrity constraints, access time