Improving Data Driven Wordclass Tagging by System Combination Hans van Halteren author Jakub Zavrel author Walter Daelemans author 1998-08 text 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 1 Association for Computational Linguistics Montreal, Quebec, Canada conference publication van-halteren-etal-1998-improving-data 10.3115/980845.980928 https://aclanthology.org/P98-1081/ 1998-08 491 497