Discovered Pages
[Discover] ACM Recommender Systems 2007 http://recsys.acm.org/homepage.html
(music recommendersystems conference personalisation) 
[Discover] 'Reinforcing the Blockbuster Nature of Media': The Impact of Online Recommenders - Knowledge@Wharton http://knowledge.wharton.upenn.edu/article.cfm?articleid=1818 (longtail recommendersystems phd criticism)