@inproceedings{CormodeDeligiannakisGarofalakisMcGregor09,
	author={Graham Cormode and Antonios Deligiannakis and Minos Garofalakis and Andrew McGregor},
	booktitle={International Conference on 
                  Very Large Data Bases ({VLDB})},
	title={Probabilistic Histograms for Probabilistic Data},
	year=2009,
}