THE CONSTRUCTION OF MAPS OF SOCIAL NETWORKS IS SHOWN BASED IN THE JOURNAL OF DOCUMENTATION DURING THE PERIOD 1988-2005. THE ANALYSIS IS MADE BY: (I) AUTHORS THAT PRODUCE THE MOST WITHIN THE PUBLICATION, (II) AUTHORS WITH THE GREATEST CENTRALITY AND…

Este estudio describe la abundancia estacional, fenología reproductiva y uso de hábitat de Mulato (Melanotis caerulescens), especie endémica de México y valorizada por su canto. Se realizó un muestreo con el método de captura con redes de niebla durante 2…

To understand how and why the level cost changes is essential to efficiently manage an organization. Traditional cost accounting classifies them into fixed and variable, whether they change or not with changes in the activity level. Nevertheless, recent empirical research…

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…

Most research on the impact of critics on movie attendance behavior has examined aggregated data but the effect on the behavior has not been observed. Our aim is to fill this gap by analyzing if movie reviews increase movie attendance…

This paper examines the effect of outsourcing on the export performance of firms. The analysis is based on the theories of international business and the point of view of the resources and the economics of transaction costs, according to which…

Over the years the use of artificial neural networks as a tool for simulation, modeling and description of nonlinear dynamical systems has been consolidated as an effective and relatively fast technique thanks to the great development experienced in computer systems.…

Das palomas, sin historia experimental, fueron expuestas a una situación de autosnol¬deamiento donde una señal de 0.2 segundos precedió a la entrega de comida. Usando un intervalo entre reforzadores constante de 32 segundos, se varió sistemáticamente el inter¬valo señal-reforzador. Se…

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…