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

Descripción completa.

Descripción completa.

Sumario:
1- Introducción a las bases de datos distribuidas
2- Replicación
3- Sincronización
4- Manejo de réplicas coordinadas
5- Presentación de un problema real
6- Implementación de una solución
7- Conclusiones

Similarity search is a fundamental operation for applications that deal with unstructured data sources. In this paper we propose a new pivot-based method for similarity search, called Sparse Spatial Selection (SSS).
The main characteristic of this method is that it…

In situ hybridization (ISH) method allows to reveal specific genes expression, identify specific cell types and detect areas or tissues, displaying differential gene expression. This work describes a standardized procedure of digital image processing that allows detailed analyses of ISH…

El tratamiento farmacológico tradicional de la epilepsia está orientado al control de las convulsiones que caracterizan las crisis epilépticas. En contraste, las investigaciones más recientes ponen énfasis en la comprensión de los mecanismos de epileptogénesis, a fin de lograr el…

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Descripción completa.

Descripción completa.