| 摘要 |
Maintaining a file specifying a "donut" (206) of dynamic, hierarchical, shar ed user-profile information. The donut (206) contains a user (118) profile or acts as a key to a data repository containing it, and it specifies user- profile information such as user (118) characteristics, viewing preferences, hobbies, and spending habits. The donut (206) is accessed by browser program s, associated web server programs, and other applications for use in routing content to the user (118) associated with the donut (206). |
