Recommender systems :  an introduction / 
Dietmar Jannach ... [et al.]. 
 - New York :  Cambridge University Press,  2011. 
 - 335 p. ; 
<br/><br/><label>ISBN: </label>9780521493369 (hardback) 0521493366 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personal communication service systems.<br/>Recommender systems (Information filtering)
<br/><br/><label>Dewey Class. No.: </label>004.78  / JAN