no code implementations • 16 Apr 2021 • Jason Wang, Robert E. Weiss
Motivated by a data set of web pages (documents) nested in web sites, we extend the Poisson factor analysis topic model to hierarchical topic presence models for analyzing text from documents nested in known groups.
no code implementations • 30 Mar 2021 • Jason Wang, Robert E. Weiss
For web pages nested inside web sites, local topic models explicitly label local topics and identifies the owning web site.