Hero (Skillet song) Course parking lot with the band performing in front of pyrotechnics and being doused in rain, with cuts of modern/every day heroes, such as a fireman, a US marine, a police officer, and a nurse. Around October 1, 2016, it passed 100 million views on YouTube. The song was nominated for both "Rock Recorded Song of the Year" and "Short Form Video of the Year" at the 41st GMA Dove Awards. Hero (Skillet song) "Hero" is the first single of the 2009 album "Awake" by the American Christian rock band Skillet and is the first track on the album. The
Item-item collaborative filtering is analogous to "people who rate item X highly, like you, also tend to rate item Y highly, and you haven't rated item Y yet, so you should try it". Item-item collaborative filtering had less error than user-user collaborative filtering. In addition, its less-dynamic model was computed less often and stored in a smaller matrix, so item-item system performance was better than user-user systems. Slope One is a family of item-item collaborative filtering algorithms designed to reduce model overfitting problems. 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