@inproceedings{SIGMOD-2004-NassarSC,
	author        = "Samer Nassar and Jörg Sander and Corrine Cheng",
	booktitle     = "{Proceedings of the 32nd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1007568.1007621",
	ee            = "http://www.sigmod.org/sigmod/sigmod04/eproceedings/pdf/R-459.pdf",
	isbn          = "1-58113-859-8",
	pages         = "467--478",
	publisher     = "{ACM}",
	title         = "{Incremental and Effective Data Summarization for Dynamic Hierarchical Clustering}",
	year          = 2004,
}