@inproceedings{DRR-2011-FujiiTTH,
	author        = "Yusaku Fujii and Hiroaki Takebe and Hiroshi Tanaka and Yoshinobu Hotta",
	booktitle     = "{Proceedings of the 18th Conference on Document Recognition and Retrieval}",
	doi           = "10.1117/12.876470",
	isbn          = "978-0-8194-8411-6",
	pages         = "1--10",
	publisher     = "{SPIE}",
	series        = "{SPIE Proceedings}",
	title         = "{Robust keyword retrieval method for OCRed text}",
	volume        = 7874,
	year          = 2011,
}