POS Disambiguation and Unknown Word Guessing with Decision Trees Giorgos S Orphanos author Dimitris N Christodoulakis author 1999-06 text Ninth Conference of the European Chapter of the Association for Computational Linguistics Henry S Thompson editor Alex Lascarides editor Association for Computational Linguistics Bergen, Norway conference publication orphanos-christodoulakis-1999-pos https://aclanthology.org/E99-1018/ 1999-06 134 141