@inproceedings{DAC-2012-GuoYSCZ,
	author        = "Jing Guo and Fan Yang and Subarna Sinha and Charles Chiang and Xuan Zeng",
	booktitle     = "{Proceedings of the 49th Annual Design Automation Conference}",
	doi           = "10.1145/2228360.2228577",
	isbn          = "978-1-4503-1199-1",
	pages         = "1173--1178",
	publisher     = "{ACM}",
	title         = "{Improved tangent space based distance metric for accurate lithographic hotspot classification}",
	year          = 2012,
}