@inproceedings{ICDAR-1993-KanaiNRN,
	author        = "Junichi Kanai and Thomas A. Nartker and Stephen V. Rice and George Nagy",
	booktitle     = "{Proceedings of the Second International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.1993.395703",
	isbn          = "0-8186-4960-7",
	pages         = "424--427",
	publisher     = "{IEEE}",
	title         = "{Performance metrics for document understanding systems}",
	year          = 1993,
}