Turning the pipeline into a loop: Iterated unsupervised dependency parsing and PoS induction
Christos Christodoulopoulos, Sharon J. Goldwater, Mark J. Steedman · Edinburgh Research Explorer (University of Edinburgh) · 2012
Most unsupervised dependency systems rely on gold-standard Part-of-Speech (PoS) tags, either directly, using the PoS tags instead of words, or indirectly in the back-off mechanism of fully lexicalized models (Headden et al., 2009).