@book{baeza99modernir,
	title = {Modern Information Retrieval},
	address = {Harlow, UK},
	author = {Ricardo Baeza-Yates and Berthier Ribeiro-Neto},
	month = {May},
	publisher = {Addison-Wesley-Longman},
	year = {1999},
	biburl = {http://www.bibsonomy.org/bibtex/244c565c8a5662b2c494c3aa951c9d4a9/sb3000},
	keywords = {indexing ir metadata search }
}