@article {ommer:PAMI:2010,
	title = {Learning the Compositional Nature of Visual Object Categories for Recognition},
	journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence},
	volume = {32},
	number = {3},
	year = {2010},
	pages = {501--516},
	publisher = {IEEE},
	author = {Bj{\"o}rn Ommer and J. M. Buhmann}
}
