@inproceedings{SIGIR-1998-WangL,
	author        = "Ke Wang and Huiqing Liu",
	booktitle     = "{Proceedings of the 21st International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1998/P146.pdf",
	doi           = "10.1145/290941.290982",
	pages         = "146--154",
	publisher     = "{ACM}",
	title         = "{Discovering Typical Structures of Documents: A Road Map Approach}",
	year          = 1998,
}