social media data

This study presents a model of synthesising individual mobility data from very sparse movement traces.

Doctoral thesis.

This study systematically explores the feasibility of using geolocations of Twitter data for travel demand estimation by examining the effects of data sparsity, spatial scale, sampling methods, and sample size.

Licentiate thesis.

A data fusion framework including real-time traffic data, transit data, and travel demand estimated using Twitter data to compare the travel time by car and PT in four cities at high spatial and temporal resolutions.

The use of large amounts of data to understand and handle movement patterns and congestion