Develo** effective visual analytics systems demands care in characterization of domain
problems and integration of visualization techniques and computational models. Urban …

Nowadays, various data collected in urban context provide unprecedented opportunities for
building a smarter city through urban computing. However, due to heterogeneity, high …

In this paper, we present a visual analysis system to explore sparse traffic trajectory data
recorded by transportation cells. Such data contains the movements of nearly all moving …

Bus routes are typically updated every 3–5 years to meet constantly changing travel
demands. However, identifying deficient bus routes and finding their optimal replacements …

Urban traffic congestion has become an important issue not only affecting our daily lives, but
also limiting economic development. The primary cause of urban traffic congestion is that the …

Analysis and exploration of spatio-temporal data such as traffic flow and vehicle trajectories
have become important in urban planning and management. In this paper, we present a …

Objective The COVID-19 pandemic emphasized the value of geospatial visual analytics for
both epidemiologists and the general public. However, systems struggled to encode …

Mathematical optimization is the process of determining the set of globally or locally optimal
parameters in a finite or infinite search space. It has been extensively employed in the …

There are often multiple routes between regions. Drivers choose different routes with
different considerations. Such considerations, have always been a point of interest in the …

Visualizing time-varying data defined on the nodes of a graph is a challenging problem that
has been faced with different approaches. Although techniques based on aggregation …