| 摘要 |
<p>In a method and computer program product for storing and retrieving user preferences according, each of a plurality of user preference data sets (1,1',1") is associated with a service, and the user preference data sets (1,1',1") are stored in a storage means (2) in a form that is viewable, understandable and changeable by the user. The method comprises the steps of a service provider data processing device (5,5',5") a) sending a request for a user preference data set (1,1',1") to a storage means control device (3) that controls the storage means, b) receiving information from the storage means control device (3) which indicates whether the requested user preference data set (1,1',1") is stored in the storage means (2), and then either, c) if this is the case, receiving the requested user preference data set (1,1',1"), or d) if this is not the case, acquiring user preferences, expressing said user preferences as a new user preference data set and sending the new user preference data set to the storage means control device (3) for storage in the storage means (2). <IMAGE></p> |
