Because two decades have almost passed since the introduction of activity-based models of
travel demand, this seems the right time to evaluate progress made in the development and …

Throughout most of human history, events and phenomena of interest have been
characterized using space and time as their major characteristic dimensions, in either …

Origin-destination (OD) pattern estimation is a vital step for traffic simulation applications and
active urban traffic management. Many methods have been proposed to estimate OD …

The energy consumption and emissions from vehicles adversely affect human health and
urban sustainability. Analysis of GPS big data collected from vehicles can provide useful …

Time geography is a constraints-oriented approach to understanding human activities in
space and time. Time geography recognizes that humans have fundamental spatial and …

Within the geography, transportation, and public health communities there has been intense
interest in better understanding the linkages between health outcomes such as obesity rates …

Time geography is a powerful framework for analyzing human activities under various space–
time constraints. At the core of time geography is the concept of the space–time prism, which …

Abstract Global Positioning System and other location-based services record vehicles'
spatial locations at discrete time stamps. Considering these recorded locations in space with …

Traffic-related fuel consumption and emissions pose a severe problem with adverse impact
on human health and urban sustainability. GPS trajectory data can provide useful insights …

Maritime collision risk prediction is crucial for the safety management of ocean
transportation. Previous studies have primarily focused on near-miss collision risk of ship …