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 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".