Token and Type Constraints for Cross-Lingual Part-of-Speech Tagging Oscar Täckström author Dipanjan Das author Slav Petrov author Ryan McDonald author Joakim Nivre author 2013 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal tackstrom-etal-2013-token 10.1162/tacl_a_00205 https://aclanthology.org/Q13-1001/ 2013 1 1 12