An Exploration of Three Lightly-supervised Representation Learning Approaches for Named Entity Classification Ajay Nagesh author Mihai Surdeanu 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 nagesh-surdeanu-2018-exploration https://aclanthology.org/C18-1196/ 2018-08 2312 2324