Data exchange is the problem of finding an instance of a target schema, given an instance of a source schema and a specification of the relationship between the source and the target.  Meer

Throughout history, Barcelona and Madrid have competed in practically every aspect of social life, politics, and culture. By delving deep into the myriad of cultural and political complexities that surround these two cities—from the onset of Futurism to the arrival of Surrealism in Spain—a complex social and cultural network is revealed.  Meer

This study seeks to understand the interrelationship between daily mobility and the spatial structure of an emerging metropolitan urban system. It is concerned with the daily mobility of a specific group of inhabitants, higher education students, living in a contemporary metropolis and experiencing urban living.  Meer