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

En este artículo presentamos una estrategia de bajo coste para la creación de un corpus de estructuras sintácticas (tanto superficiales como profundas) y semánticas, tal y como son definidas en la Teoría Sentido-Texto. El corpus es de tamaño medio, pero…

This book provides an excellent foundation for the principles of database and data management. It explains some of the more difficult concepts fairly well. The book is meant for an introductory course in database management which is usually required as…

Presentamos SPLICR, una plataforma de sostenibilidad para corpus y
recursos lingüísticos basada en web. El sistema está destinado a personas que trabajan en el campo de la lingüística o de la lingüística computacional. Consiste en
una base de…

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…

A data warehouse efficiently processes a given set of queries by utilizing the multiple materialized views. Owing to the constraint on space and maintenance cost, the materialization of all views is unfeasible. One of the critical decisions involved in the…

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…

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…

Este documento explora la relación entre la distribución del ingreso, las instituciones y los conflictos en América Latina y el Caribe mediante el uso de una nueva base de datos de estadísticas de la distribución del ingreso calculado a partir…

The term Federated Databases refers to the data integration of distributed, autonomous and heterogeneous databases. However, a federation can also include information systems, not only databases. At integrating data, several issues must be addressed. Here, we focus on the problem…