This repository contains data and some source code developed out of the following papers during my PhD study:

Ma D., Omer I., Osaragi T., Sandberg M., and Jiang B. (2018), Why topology matters in predicting human activities? Manuscript under review .

Ma D. and Jiang B. (2017), A smooth curve as a fractal under the third definition, Manuscript under review .

Jiang B. and Ma D. (2017), How complex is a fractal? Head/tail breaks and fractional hierarchy, Journal of Geovisualization and Spatial Analysis, accepted.

Ma D., Sandberg M., Yin J., and Jiang B. (2017), A socio-geographic perspective on human activities in social media, Geographical Analysis, 49(3), 328-342.

Jiang B., Ma D., Yin J. and Sandberg M. (2016), Spatial distribution of city tweets and their densities, Geographical Analysis, 48, 337-351.

Jiang B. and Ma D. (2015), Defining least community as a homogeneous group in complex networks, Physica A: Statistical Mechanics and its Applications, 428, 154-160.

Ma D., Sandberg M., and Jiang B. (2015), Characterizing the heterogeneity of the OpenStreetMap data and community, ISPRS International Journal of Geo-Information, 4(2), 535-550.