AbstractDue to aspect-oriented mechanisms explosion, their concepts arrive to distributed systems tackling concepts as security, persistence, or synchronization, especially in middleware approaches. Regarding distributed databases, the research has been focused mainly on object-oriented databases. Based on the great impact of…

Historical documents and newspapers from Mexican Pacific states (north of 14º N) were reviewed to determine the incidence of landfalling tropical cyclones from 1850 to 1949, prior to the start of the United States National Hurricane Center database. The reviewed…

The general objective of this thesis is the development of an adaptive technique for extracting knowledge in large databases. Nowadays, technology allows storing huge volumes of information. For this reason, the availability of techniques that allow, as a first stage,…

AbstractThis study performs a comprehensive analysis of the effect of different environmental, demographic and vehicle variables on the severity of two-vehicle crashes. The limitations associated with previous studies have been addressed by using a large crash database, properly defining the…

En este trabajo hemos estudiado algunas paráfrasis contenidas en un recurso lingüístico llamado badele.3000, una base de datos que agrupa los 3.600 sustantivos más frecuentes del español, así como más de 2.800 verbos de uso habitual. Su combinación restringida da…

AbstractSince the emergence of public-private partnerships (PPPs) in the 1980s, there has been a structural change in the way countries now finance and provide public infrastructure. Although national governments apparently encourage PPPs, and many have succeeded, some others have failed.…

Los así denominados Phone Log-Likelihood Ratios (PLLR), han sido introducidos como características alternativas a los MFCC-SDC para sistemas de Reconocimiento de la Lengua (RL) mediante iVectors. En este artículo, tras una breve descripción de estas características, se proporcionan nuevas evidencias…

Introduction. The purpose of this study is to describe and characterize the international sci-entific output relating to “attitudes towards disability in education”, using a battery of bibliometric indicators that make it possible to analyze and monitor international scientific activity. Method.…

This study evaluates impacts from tropical cyclone (TC) landfalls on populated areas located along the Pacific Ocean coast of Mexico. The period of interest is from 1970 through 2010 and an international disaster database is used to identify the impact…

Purpose: We considered two objectives; on one hand, to analyze the effectiveness and efficiency of enterprises, the purpose of which is to provide services to the elderly. On the other hand, examine whether the enactment of law 39/2006, has meant…