@article{benz07-supporting,
	title = {Supporting Collaborative Hierarchical Classification: Bookmarks as an Example},
	author = {Dominik Benz and Karen H. L. Tso and Lars Schmidt-Thieme},
	journal = {Special Issue of the Computer Networks journal on Innovations in Web Communications Infrastructure},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/22571baaa4ea731965489cb66e6288886/wnpxrz},
	keywords = {bookmark classification collaborative hierarchical }
}