@inproceedings{WCRE-2011-HigoUNK,
	author        = "Yoshiki Higo and Yasushi Ueda and Minoru Nishino and Shinji Kusumoto",
	booktitle     = "{Proceedings of the 18th Working Conference on Reverse Engineering}",
	doi           = "10.1109/WCRE.2011.11",
	editor        = "Martin Pinzger and Denys Poshyvanyk and Jim Buckley",
	isbn          = "978-1-4577-1948-6",
	pages         = "3--12",
	publisher     = "{IEEE Computer Society}",
	title         = "{Incremental Code Clone Detection: A PDG-based Approach}",
	year          = 2011,
}