A collaborative filtering system recommends to users products that similar users like. Collaborative filtering systems influence purchase decisions and hence have become targets of manipulation by ...

Missing links While the researchers' model corroborates the effectiveness of collaborative filtering, it also suggests ways to improve it. In general, the more information a collaborative-filtering ...

Netflix in 2006 held an open competition to find the collaborative filtering algorithm that would best predict whether or not a user would like a particular film or TV show based on previous ratings.