@inproceedings{xia-etal-2005-nil, title = "{NIL} Is Not Nothing: Recognition of {C}hinese Network Informal Language Expressions", author = "Xia, Yunqing and Wong, Kam-Fai and Gao, Wei", booktitle = "Proceedings of the Fourth {SIGHAN} Workshop on {C}hinese Language Processing", year = "2005", url = "https://preview.aclanthology.org/fix-sig-urls/I05-3013/" }