… We design a multi-layer architecture to support the service … The challenge is to encourage
end-user resource discovery … filtering and notification service based on user modeling and …

… We are investigating how to improve our service based on … overall acceptability by the
end-user is pursued (Appendix I to P.… ultra-high-capacity network applications. We believe that the …

… perception layer for obtaining data, a network layer for transmitting information, a service layer
… An end user simply selects the behavior and location of interest. For example, with respect …