Websites typically provide several links on each page visited by a user. Whereas some of these links help users easily navigate the site, others are typically used to provide targeted recommendations based on the available user profile. When the user profile is not available (or is inadequate),...

Personalization and recommendation systems require knowledge about the users (user profiles), in order to be able to target products, promotions and advertisements. The faster the profiles are learnt, the sooner the site can start benefiting from these systems. We study how a site can learn the...