Una aproximación al análisis de redes egocéntricas de colaboración interinstitucional

Is it possible to establish the influence network of institutions involved in scientific production? Do you share the nodes of the influence network sectorial characterics? What is the advantage to deepen on egocentric collaborative networks with coauthorship data? These three research questions have been those that have guided the development of this article and to answer the first part of the paper analyzes the phenomenon of collaboration as measured by coauthorship are discussed in which one or what are the contributions of network analysis egocentric done before a complete social network analysis. We propose the use of egocentric networks for a better understanding of scientific collaboration and the influence network among institutions with scientific coauthorship in Chemistry area in Spain