System and methods for collaborative recommendations

摘要: A recommendation service is disclosed which uses collaborative filtering techniques to recommend books users of a Web site. The site includes catalog the various titles that can be purchased via database have previously been rated and therefore recommended by using methods. At least initially, title categories (genres) are included within this (and thus service) respective subsets catalog. As browse read about contained catalog, presented with option rating specific titles, including not currently service. ratings information obtained from process used automatically add new breadth covered grows over time, without need for system administrators manually collect input data. To establish profiles service, presents startup list asks rate certain number on list. increase likelihood will familiar these generates identifying most popular, such as preceding week.