@article{maltz97grouplens, title = {GroupLens: applying collaborative filtering to Usenet news}, address = {New York, NY, USA}, author = {Joseph A. Konstan and Bradley N. Miller and David Maltz and Jonathan L. Herlocker and Lee R. Gordon and John Riedl}, journal = {Commun. ACM}, number = {3}, pages = {77--87}, publisher = {ACM}, url = {http://portal.acm.org/citation.cfm?id=245126}, volume = {40}, year = {1997}, biburl = {http://www.bibsonomy.org/bibtex/2b53b2dfa6b9064d2ad77fd6440ca48b3/msn}, description = {GroupLens}, issn = {0001-0782}, doi = {http://doi.acm.org/10.1145/245108.245126}, keywords = {research.web20.communities } }