@book{jannach2011recommender, address = {New York}, author = {Jannach, Dietmar}, interhash = {a6610e8a27191994e0b85d73c26bdce8}, intrahash = {21abf93de5cf457f735f5beddec928a2}, isbn = {9780521493369 0521493366}, publisher = {Cambridge University Press}, refid = {645789647}, title = {Recommender systems : an introduction}, url = {http://www.amazon.de/Recommender-Systems-Introduction-Dietmar-Jannach/dp/0521493366/ref=sr_1_1?ie=UTF8&qid=1356099943&sr=8-1}, year = 2011 }