HMNB Devonport a Cornish Pasty and which was once the nickname for a sailor born and bred in Devonport. The traditional shout of "Oggy Oggy Oggy" was used to cheer on the Devonport team in the Navy's field gun competition. Devonport has been the site of a number of leaks of nuclear waste associated with the nuclear submarines based there. "Up until 1832 the Plymouth Royal Dockyard, was administered by a Commissioner of the Dockyard on behalf of the Navy Board in London included:" By An Order in Council dated 27 June 1832 the role of the Commissioner was replaced by an
Item-item collaborative filtering Earlier collaborative filtering systems based on rating similarity between users (known as user-user collaborative filtering) had several problems: Item-item models resolve these problems in systems that have more users than items. Item-item models use rating distributions "per item", not "per user". With more users than items, each item tends to have more ratings than each user, so an item's average rating usually doesn't change quickly. This leads to more stable rating distributions in the model, so the model doesn't have to be rebuilt as often. When users consume and then rate an item, that item's similar items are picked from