@book{Zhang2007,
	title = {Visualization for Information Retrieval},
	author = {Jin Zhang},
	publisher = {Springer, Berlin},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/2635e5681079967231d660020ae751436/fsteeg},
	ean = {9783540751472}, asin = {3540751475}, isbn = {3540751475}, dewey = {006.6},
	keywords = {diss ir nlp text-mining }
}