just one region or one country but instead forming an international network of researchers. This type of epistemic … are needs for complementary ressources in an increasingly specialized world. Further, information and communication … technologies contributed to flatten the world for intense, yet spatially distant collaboration. Based on the large scale analysis …

new form. We propose a new approach to the world migration phenomenon as two complex directed networks (immigration and … emigration) were countries represents network nodes, and migration between countries represents directed links. We compose a … reliable data and statistics. Here we analyze the migration networks of 216 destination and source countries and territories …

social network. …

World cities are important nodes in the global networks of knowledge-based economies. As a result of the growing … empirically using the interlocking network model of the Globalization and World Cities (GaWC) research network. Two approaches can … be distinguished from a spatial perspective: a global approach that studies the world city network from the perspective …