@inproceedings{SIGIR-2005-CaiH,
	author        = "Deng Cai and Xiaofei He",
	booktitle     = "{Proceedings of the 28th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1076034.1076039",
	isbn          = "1-59593-034-5",
	pages         = "3--10",
	publisher     = "{ACM}",
	title         = "{Orthogonal locality preserving indexing}",
	year          = 2005,
}