This is pretty neat!

And I strongly suggest that you contact Kay Xu <Kai.Xu@nottingham.ac.uk>, who is doing research on sensemaking [1] [2] and berrypicking [3], I think he is currently working on newer and better version of his approach with browser extensions (as opposed to a separate renderer), and you both would benefit from collaboration.

[1] https://vis4sense.github.io/sensemap/paper.pdf

[2] https://vis4sense.github.io/sensemap/

[3] https://web.archive.org/web/20080112091521/http://www.gseis....