@inbook {books/daglib/p/PapadopoulosVK11,
	title = {Community Detection in Collaborative Tagging Systems},
	booktitle = {Community-Built Databases},
	year = {2011},
	pages = {107-131},
	publisher = {Springer},
	organization = {Springer},
	isbn = {978-3-642-19046-9},
	author = {Symeon Papadopoulos and Athena Vakali and Yiannis Kompatsiaris},
	editor = {Pardede, Eric}
}