The paper examines the relationship between the performance of Latin American stockmarkets with their real economies, applying seven econometric models for the cases of Argentina, Brazil, Chile and Mexico. The relationship between stock market yields in these countries and their…

In 2009, China became Brazil’s biggest trade partner. The intensification of trading relations between them in the last few years has led to rapid changes in Brazil’s aggregate results and in its balance of trade profile. On the one hand,…

Changes in the tendency of children to describe and elaborate ten different kinas of realtions were explored in a two-year period. Thirty-five children solved a task of identifying relations and then, answered to questions made in interviews on three different…

DATA INTEGRATION IS A PROCESS OF RETRIEVING, MERGING AND STORING OF DATA ORIGINATED IN HETEROGENEOUS SOURCES OF DATA. THE MAIN PROBLEM FACING THE DATA INTEGRATION IS THE STRUCTURAL AND SEMANTIC HETEROGENEITY OF PARTICIPATING DATA. A CONCERN OF RESEARCH COMMUNITIES IN…

,

,

, LOS DATOS SUPONEN UNA PARTE FUNDAMENTAL DE LOS SISTEMAS DE INFORMACIÓN. CONSEGUIR CONTROLAR LA COMPLEJIDAD APORTADA POR ELLOS RESULTA, POR TANTO, IMPRESCINDIBLE. UNA FORMA DE REALIZAR ESTE CONTROL ES MEDIANTE LA UTILIZACIÓN DE MÉTRICAS ESPECÍFICAS PARA BASES DE DATOS,…

EN ESTE TRABAJO PRESENTAMOS UNA NUEVA FORMALIZACIÓN DEL CONCEPTO DE OBJETO SIMBÓLICO DE MODO TAL QUE CONSTITUYE UNA BASE SOLIDA PARA UNA TEORÍA DE OBJETOS SIMBÓLICOS, LA QUE CONTENDRÁ COMO CASO PARTICULAR LA TEORÍA DE ANÁLISIS SIMBÓLICO DE DATOS DE…

Descripción completa.

EN ESTE ARTÍCULO, SE PRESENTA UNA METODOLOGÍA PARA LA SEGMENTACIÓN DE AÉREAS TEXTURADAS. LA METODOLOGÍA COMPRENDE UNA FASE DE EXTRACCIÓN DE ATRIBUTOS ESTADÍSTICOS A TRAVÉS DE: LA MATRIZ DE CO - OCURRENCIAS Y LOS MOMENTOS DE ORDEN CUATRO. UNA FASE…