Accessibility indicators take land use, the transport system, and their interdependencies into account in a holistic fashion. In many areas, however, spatial data to perform accessibility calculations are hard to obtain or not available at all. Freely available volunteered geographic information...

Accessibility indicators take land use, the transport system, and their interdependencies into account in a holistic fashion. In many areas, however, spatial data to perform accessibility calculations are hard to obtain or not available at all. Freely available volunteered geographic information...

This article addresses the role of spatial interaction in social networks. We analyse empirical data describing a network of leisure contacts and show that the probability to accept a person as a contact scales in distance with ∼ d <Superscript> − 1.4</Superscript>. Moreover, the analysis reveals that the number...</superscript>