ABSTRACT Social Network Analysis offers powerful tools to analyze the structure of
relationships between a set of people. However, the addition of spatial information poses …

Despite several high-profile data breaches and business models that commercialize user
data, participation in social media networks continues to require users to trust corporations …

Social and interpersonal connections are attached to the built environment: people require
physical infrastructure to meet and telecommunicate, and then populate these infrastructures …

As the essence of urban spatiotemporal interaction systems, hubs and centers empower
cities to enhance socioeconomic prosperity and sustainability. However, a city manifests a …

Spatial social networks (SSNs) are node-link structures that evidence interpersonal or inter-
organizational relationships, where nodes and edges have a defined geographic location …

All social interactions and social life take place somewhere. Institutions such as universities
or workplaces provide a meeting place for like-minded people and foster lifelong …

The use of data and statistics along with computational systems heralded the beginning of a
quantitative revolution in Geography. Use of simulation models (Cellular Automata and …

GIS analyses use moving window methods and hotspot detection to identify point patterns
within a given area. Such methods can detect clusters of point events such as crime or …

Research is an interconnected global endeavor. Networks of research collaborations are
often using Social Networks Analysis. Its variant Spatial Social Networks allowing explicit …

We study the problem of tracking the movement of groups using sparse trajectory data
extracted from Location Based Social Networks (LBSNs). Tracking group movement using …