[anti-censorship-team] Summary of "Identifying VPN Servers through Graph-Represented Behaviors"

I wrote and posted a summary of "Identifying VPN Servers through Graph-Represented Behaviors" for this week's reading group. There were parts that were not clear to me, partly because some parts are explained badly, and partly, I'm sure, because of my inexperience with graph neural networks.

https://github.com/net4people/bbs/issues/455