Patent ID: 7966160

Claim:
A method of providing user modeling in media delivery networks, wherein a set of applications is adapted to exchange usage data collected by each application regarding a user of each application and the user's interaction with each application by means of at least one user modeling server, comprising the steps of: associating with said user modeling server a function for regulating exchange of usage data between any of a first application and a second application in said set, wherein said function defines: whether said usage data are provided by said first application to said second application, a value indicating a degree of trust acknowledged by said second application to the usage data provided by said first application, a first preference value from usage data provided by said first application, and a second preference value from usage data provided by said second application; and calculating, using the user modeling server, a final preference value associated with a user preference for said second application based on said first preference value, said second preference value, and the value indicating said degree of trust acknowledged by said second application to the usage data provided by said first application, the value indicating said degree of trust being applied to said first preference value as a weight.