[ludicrousdispla]

Nice paper, the last two figures remind me of Hierarchical Edge Bundles (2006) and the Sunflower Visual Metaphor (1999) which have similar goals.

https://aviz.fr/wiki/uploads/Teaching2014/bundles_infovis.pd...

https://ics.uci.edu/~kobsa/courses/ICS280/notes/papers/Rose-...