The payment mechanism is also agreed upon at this point. Provider requests payment for access to resource. Payment is made by the user, or by the broker on the user's behalf. User accesses resource. User may reject terms and conditions.
Transaction is terminated.
User may be refused access to resource if an appropriate agreement is not in place. Feedback required on chosen solution. One issue is identifying the items to which rights management must apply, as well as applying to actual resources there may be access control issues for accessing services and resource descriptions. A number of Discover services are listed. BibTeX. This could be modelled as Use functionality, treating the bookmark list itself as a resource.