Likely hierarchical LDA. Blei refers to this class of latent factor models as topic models.
On Sun, May 8, 2011 at 6:43 PM, Benson Margulies <[email protected]>wrote: > I found the paper subsequently, and it's all LDA! > > On Sun, May 8, 2011 at 9:41 PM, Ted Dunning <[email protected]> wrote: > > Given that it is David Blei, it is almost certainly a variant of topic > > modeling: > > > > http://www.cs.princeton.edu/~blei/topicmodeling.html > > > > On Sun, May 8, 2011 at 6:30 PM, Benson Margulies <[email protected] > >wrote: > > > >> The April 30 economist has a layperson's description of what looks > >> like an interesting topic clustering system by Blei of Princeton and > >> Lafferty of CMU. Anyone know anything about it? > >> > > >
