@Article{milicevic2010social, author = {Milicevic, Aleksandra and Nanopoulos, Alexandros and Ivanovic, Mirjana}, title = {Social tagging in recommender systems: a survey of the state-of-the-art and possible extensions}, journal = {Artificial Intelligence Review}, year = {2010}, number = {3}, url = {http://dx.doi.org/10.1007/s10462-009-9153-2}, doi = {10.1007/s10462-009-9153-2}, const = {\ text} }