@article{clusteringvalidityII,
	title = {Clustering Validity Checking Methods: Part II.},
	author = {Maria Halkidi and Yannis Batistakis and Michalis Vazirgiannis},
	journal = {SIGMOD Record},
	number = {3},
	pages = {19-27},
	url = {http://dblp.uni-trier.de/db/journals/sigmod/sigmod31.html#HalkidiBV02a},
	volume = {31},
	year = {2002},
	biburl = {http://www.bibsonomy.org/bibtex/294b4ff312bd825aefb75b10d1a80a4f4/gromgull},
	description = {dblp},
	ee = {http://www.acm.org/sigmod/record/issues/0209/a1.partii_clvalidity1.pdf}, date = {2006-04-03},
	keywords = {clustering evaluation }
}