@ARTICLE {
	AUTHOR = "Tomas Skopal and Benjamin Bustos",
	TITLE ="On Nonmetric Similarity Search Problems in Complex Domains",
	JOURNAL = "ACM Computing Surveys (CSUR)",
	VOLUME = "43",
	NUMBER = "4",
	PAGES = "34:1-50",
	YEAR = "2011",
	PUBLISHER = "ACM Press",
	ADDRESS = "New York, NY, USA",
	ISSN = "0360-0300"
	}