Freitag, 22. August 2014

German soccer: A network summary

This network shows the results of every soccer match played in the German Erste Bundesliga from 1963-2014. Click to enlarge. A high-resolution PDF is also available.

Montag, 18. August 2014

The network structure of scientific collaboration in the journal Business & Information Systems Engineering and its predecessors

This picture shows the network of coauthorship in the scientific journals Business & Information Systems Engineering and its predecessors. As a result, you see mostly German IS researchers. The original data consists of thousands of authors, here we show only the largest connected component. Color, node layout and edge width were used to show who is working with whom.

Here is a high-resolution PDF

Please Email me if you have questions concerning the data or the network.

Dienstag, 12. August 2014


There are curves of constant width besides circles and spheres

And they can be used to drill a square hole:

Dienstag, 5. August 2014

Little big data in German soccer

Wer gewinnt das Fußballspiel? Eine kurze Zusammenfassung aller bisherigen Bundesligaspiele. Hier ist ein hochauflösendes PDF. Tools: curl > regex > cytoscape > inkscape. Grafik von Jörn Grahl.