La creciente cantidad de imágenes transmitidas a través de Internet ha llevado al desarrollo de Sistemas de Minería de Imágenes de propósito general.
La performance de un SMI depende en gran medida de una rápida y buena especificación del vector…

DATA QUALITY IS DEGRADED DURING THE PROCESS OF EXTRACTING AND MERGING DATA FROM MULTIPLE HETEROGENEOUS SOURCES. BESIDES, USERS HAVE NO INFORMATION REGARDING THE QUALITY OF THE ACCESSED DATA. THIS DOCUMENT PRESENTS THE METHODS UTILIZED TO ASSESS DATA QUALITY AT MULTIPLE…

Este artículo documenta los principales patrones y tendencias de las definiciones alternativas de la informalidad laboral en América Latina y el Caribe, mediante la utilización de una gran base de datos de más de 100 encuestas de hogares para el…

El presente artículo describe un sistema de adquisición de datos para un medidor de deformación. Se presenta el análisis del diseño de la circuitería y la programación, los resultados obtenidos y finalmente algunas conclusiones.

This work studied the effect of treatment with a high frequency ultrasound bath (40 kHz and a power of 80 W.) on the pH, foaming capacity and stability of the foam of the white of hens eggs (sample 1/120 hours…

Issues related to maternal mortality have generated a lot of empirical and theoretical information. However, despite the amount of work published on the topic, maternal mortality continues to occur at high rates and solutions to the problem are still not…

En este artículo presentamos el sistema AMSABEL, un sistema de acceso a información basado en lenguaje natural. AMSABEL proporciona acceso al contenido de una base de datos relacional, a partir de consultas realizadas en lenguaje natural, tanto en castellano como…

In this study we use cointegration methods to investigate the relationship between the variables of the Ohlson model (stock price, earnings per share and book value) with panel data. The cointegration tests were applied at individual and group level (by…

THE DISASTERS CAUSED BY NATURAL PHENOMENA HAVE BEEN PRESENT ALL ALONG HUMAN HISTORY; NEVERTHELESS, THEIR CONSEQUENCES ARE GREATER EACH TIME. THIS TENDENCY WILL NOT BE REVERTED IN THE COMING YEARS; ON THE CONTRARY, IT IS EXPECTED THAT NATURAL PHENOMENA WILL…

WE PRESENT A NOVEL METHOD FOR LOSSLESS DATA COMPRESSION THAT AIMS TO GET A DIFFERENT PERFORMANCE TO THOSE PROPOSED IN THE LAST DECADES TO TACKLE THE UNDERLYING VOLUME OF DATA OF THE INFORMATION AND MULTIMEDIA AGES. THESE LATTER METHODS ARE…