Skillet (band) officially announced that longtime lead guitarist Ben Kasica would be leaving the band. Kasica was with the band for 10 years, contributing to the albums "Alien Youth", "Collide", "Comatose", and "Awake" as well as the live album "Comatose Comes Alive". He played what was planned to be his last concert with the band on March 20 but returned and continued touring until a new guitarist was trained. On April 16, Seth Morrison replaced Kasica as the lead guitarist, and now tours full-time with Skillet. Skillet announced the release of "Awake and Remixed EP" in early March 2011. The remixes were
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".