Attention conservation notice: Self-promoting notice of a very academic talk, at a university far from you, on a very recondite topic, solving a problem that doesn't concern you under a set of assumptions you don't understand, and wouldn't believe if I explained to you.
I seem to be giving talks again:
--- The underlying paper grows out of an idea that was in my paper with Andrew Thomas on social contagion: latent homophily is the problem with causal inference in social networks, but latent homophily also leads to large-scale structure in networks, and allows us to infer latent attributes from the graph; we call this "community discovery". Some years later, my student Hannah Worrall, in her senior thesis, did an extensive series of simulations showing that controlling for estimated community membership lets us infer the strength of social inference, in regimes where community-discovery is consistent. Some years after that, Ed asked me what I was wanting to work on, but wasn't, so I explained about what seemed to me the difficulties in doing some proper theory about this. As I did so, the difficulties dissolved under Ed's questioning, and the paper followed very naturally. We're now revising in reply to referees (Ed, if you're reading this --- I really am working on it!), which is as pleasant as always. But I am very pleased to have finally made a positive contribution to a problem which has occupied me for many years.
Posted at February 05, 2019 21:04 | permanent link