The advances in location-acquisition and mobile computing techniques have generated
massive spatial trajectory data, which represent the mobility of a diversity of moving objects …

Mobile devices equipped with rich sensors, such as smartphones, watches, or vehicles,
have been pervasively used all around the world. Their high penetration and powerful …

Information about urban air quality, eg, the concentration of PM2. 5, is of great importance to
protect human health and control air pollution. While there are limited air-quality-monitor …

Urbanization's rapid progress has modernized many people's lives but also engendered big
issues, such as traffic congestion, energy consumption, and pollution. Urban computing …

Bike sharing is booming globally as a green transportation mode, but the occurrence of over-
demand stations that have no bikes or docks available greatly affects user experiences …

Electric vehicle (EV) taxis have been introduced into the public transportation systems to
increase EV market penetration. Different from regular taxis that can refuel in minutes, EV …

The recent proliferation of ubiquitous computing technologies has led to the emergence of
urban computing that aims to provide intelligent services to inhabitants of smart cities. Urban …

Many cities suffer from noise pollution, which compromises people's working efficiency and
even mental health. New York City (NYC) has opened a platform, entitled 311, to allow …

The rapid developments of ubiquitous mobile computing provide planners and researchers
with new opportunities to understand and build smart cities by mining the massive spatial …

Electric vehicles (EVs) have undergone an explosive increase over recent years, due to the
unparalleled advantages over gasoline cars in green transportation and cost efficiency …