Eckard, EmmanuelChappelier, Jean-Cédric2008-01-222008-01-222008-01-222007https://infoscience.epfl.ch/handle/20.500.14299/16455This document describes Topian ("Topic-based Model layer for Xapian"), a software layer intended to add support for topical models to Xapian.XapianProbabilistic Latent Semantic AnalysisNaive Bayesian modelsLatent Dirichlet allocationtext::report