The studies presented by Goldwater and Griffiths ( 2007 ) and Johnson ( 2007 ) differed in the number of states that they used .
a fully bayesian approach to unsupervised partofspeech tagging
Sharon Goldwater Tom Griffiths
accuracy . The studies presented by Goldwater and Griffiths ( 2007 ) and Johnson ( 2007 ) differed in the number of states that they used . Goldwater and Griffiths ( 2007 ) evaluated against the reduced tag set of 17 tags developed by Smith and Eisner ( 2005 ) , while Johnson ( 2007 ) evaluated against the full Penn Treebank tag set .
The studies presented by @@CITATION and Johnson ( 2007 ) differed in the number of states that they used .