Automatic construction of complex features in Conditional Random Fields for Named Entities Recognition Michał Marcińczuk author 2015-09 text Proceedings of the International Conference Recent Advances in Natural Language Processing Ruslan Mitkov editor Galia Angelova editor Kalina Bontcheva editor INCOMA Ltd. Shoumen, BULGARIA Hissar, Bulgaria conference publication marcinczuk-2015-automatic https://aclanthology.org/R15-1054/ 2015-09 413 419