ScatterBlogs: Geo-spatial document analysis. - Harald Bosch; Dennis Thom; Michael Wörner 001; Steffen Koch 001; Edwin Puttmann; Dominik Jäckle; Thomas Ertl (IEEE VAST, 2011)

ScatterBlogs2: Real-Time Monitoring of Microblog Messages through User-Guided Filtering. - Harald Bosch; Dennis Thom; Florian Heimerl; Edwin Puttmann; Steffen Koch 001; Robert Krüger; Michael Wörner 001; Thomas Ertl (IEEE Trans. Vis. Comput. Graph., 2013)