@inproceedings{mai-etal-2018-empirical, title = "An Empirical Study on Fine-Grained Named Entity Recognition", author = "Mai, Khai and Pham, Thai-Hoang and Nguyen, Minh Trung and Nguyen, Tuan Duc and Bollegala, Danushka and Sasano, Ryohei and Sekine, Satoshi", editor = "Bender, Emily M. and Derczynski, Leon and Isabelle, Pierre", booktitle = "Proceedings of the 27th International Conference on Computational Linguistics", month = aug, year = "2018", address = "Santa Fe, New Mexico, USA", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/C18-1060/", pages = "711--722" }