Robust Lexical Features for Improved Neural Network Named-Entity Recognition Abbas Ghaddar author Phillippe Langlais author 2018-08 text Proceedings of the 27th International Conference on Computational Linguistics Emily M Bender editor Leon Derczynski editor Pierre Isabelle editor Association for Computational Linguistics Santa Fe, New Mexico, USA conference publication ghaddar-langlais-2018-robust https://aclanthology.org/C18-1161/ 2018-08 1896 1907