We live in an increasingly interconnected world of techno-social systems, in which
infrastructures composed of different technological layers are interoperating within the social …

Understanding travel behaviour is significant in travel demand management as well as in
urban and transport planning. Over the past decade, with the advancement of data collection …

The advent of geographic online social networks such as Foursquare, where users
voluntarily signal their current location, opens the door to powerful studies on human …

Intra-urban human mobility is investigated by means of taxi trajectory data that are collected
in Shanghai, China, where taxis play an important role in urban transportation. From the taxi …

Complex networks such as the Internet, WWW, transportation networks, power grids,
biological neural networks, and scientific cooperation networks of all kinds provide …

Territorial subdivisions and geographic borders are essential for understanding phenomena
in sociology, political science, history, and economics. They influence the interregional flow …

International migration is one of the major determinants of demographic change. Although
efforts to produce comparable statistics are underway, estimates of demographic flows are …

Complex networks in natural, social and technological systems generically exhibit an
abundance of rich information. Extracting meaningful structural features from data is one of …

Abstract Background Malaria endemicity in Zanzibar has reached historically low levels, and
the epidemiology of malaria transmission is in transition. To capitalize on these gains …

Globalization and the expansion of transport networks has transformed migration into a
major policy issue because of its effects on a range of phenomena, including resource flows …