Skillet (band) me." Skillet's album "Comatose" was released on October 3, 2006. It features the singles "Rebirthing," "Whispers in the Dark," "Comatose," "The Older I Get," "Those Nights," "The Last Night", and "Better Than Drugs". The album debuted at No. 55 on the "Billboard" 200 and No. 4 on the US Top Christian Albums chart. In January 2008, Skillet announced that their drummer, Lori Peters, was retiring from the band, feeling that "it's time for her to come off of the road and start a new chapter in her life." Peters' last concert with Skillet was on December 31, 2007. However, during
Item-item collaborative filtering Item-item collaborative filtering Item-item collaborative filtering, or item-based, or item-to-item, is a form of collaborative filtering for recommender systems based on the similarity between items calculated using people's ratings of those items. Item-item collaborative filtering was invented and used by Amazon.com in 1998. It was first published in an academic conference in 2001. The authors of that paper, Badrul Sarwar, George Karypis, Joseph Konstan, and John Riedl, won the 2016 "Test of Time Award" for their paper "Item-based collaborative filtering recommendation algorithms". The International World Wide Web Conference committee stated that "this outstanding paper has had a considerable real-world impact".