@inproceedings{SIGIR-1997-ChienHC,
	author        = "Lee-Feng Chien and T.-I. Huang and M-C. Chien",
	booktitle     = "{Proceedings of the 20th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1997/P050.pdf",
	doi           = "10.1145/258525.258534",
	pages         = "50--58",
	publisher     = "{ACM}",
	title         = "{Pat-tree-based Keyword Extraction for Chinese Information Retrieval}",
	year          = 1997,
}