@inproceedings{SIGMOD-2004-MarklRSLP,
	author        = "Volker Markl and Vijayshankar Raman and David E. Simmen and Guy M. Lohman and Hamid Pirahesh",
	booktitle     = "{Proceedings of the 32nd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1007568.1007642",
	isbn          = "1-58113-859-8",
	pages         = "659--670",
	publisher     = "{ACM}",
	title         = "{Robust Query Processing through Progressive Optimization}",
	year          = 2004,
}