... Proceedings of the 12th Conference of the European Chapter of the ACL, pages 363–371,Athens, Greece, 30 March – 3 April 2009.c2009 Association for Computational LinguisticsWeakly Supervised Part -of- Speech ... Nevertheless, the de-velopment of unsupervised taggers potentially al-lows POS tagging technologies to be applied to asubstantially larger number of natural languages,most of which are resource-scarce ... other words, the parame-ters of an HMM, θ, are composed of a set of state-specific (1) output distributions (over word tokens)and (2) transition distributions, both of which canbe learned using...