@inproceedings{MLDM-2007-SakaiIKH,
	author        = "Tomoya Sakai and Atsushi Imiya and Takuto Komazaki and Shiomu Hama",
	booktitle     = "{Proceedings of the Fifth International Conference on Machine Learning and Data Mining in Pattern Recognition}",
	doi           = "10.1007/978-3-540-73499-4_17",
	isbn          = "978-3-540-73498-7",
	pages         = "218--232",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Critical Scale for Unsupervised Cluster Discovery}",
	volume        = 4571,
	year          = 2007,
}