@inproceedings{SIGMOD-2006-ChenSM,
	author        = "Yen-Yu Chen and Torsten Suel and Alexander Markowetz",
	booktitle     = "{Proceedings of the 24th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1142473.1142505",
	isbn          = "1-59593-256-9",
	pages         = "277--288",
	publisher     = "{ACM}",
	title         = "{Efficient query processing in geographic web search engines}",
	year          = 2006,
}