The present invention provided a method for updating user profile, and the user profile includes like-degree of the user for at least one content feature. The method includes the following steps of: (a).monitoring the user's behavior to a playing program; (b).acquiring a interest degree of the user for...http://www.google.fr/patents/US20090138326?utm_source=gb-gplus-shareBrevet US20090138326 - APPARATUS AND METHOD FOR UPDATING USER PROFILE
