... themselves (Collins, 2003; Charniak, 2000),manually split the tagset into a finer-grained one(Klein and Manning, 2003a), or learn finer grainedtag distinctions using a heuristic learning procedure(Petrov ... parser (Klein and Manning, 2003b) for thecomparison, since it performs simultaneous taggingand parsing during testing. In this experiment, un-labeled, directed, dependency parsing accuracy ... distribution H. In Section 2, we sample Cmultinomials φkfrom H. In the in nite mixturemodel we sample an in nite number of multinomi-als from H, using the Dirichlet process.Formally, given...