Check out Kumu[0], it's similar to what you're talking about.
Also a piece of advice about graph visualizations: never show your user a raw graph vis of any kind, because it's UX suicide. If I had a dollar for every time I've seen CS grads make a force-directed graph vis and think it constituted something usable, I'd be rich.
Also a piece of advice about graph visualizations: never show your user a raw graph vis of any kind, because it's UX suicide. If I had a dollar for every time I've seen CS grads make a force-directed graph vis and think it constituted something usable, I'd be rich.
[0] http://www.kumu.io