Role-based tag management for collaborative services integrated within a service oriented architecture

A computer-usable medium having computer readable instructions stored thereon for execution by a processor to perform a method for tag management by a client-side agent on behalf of a user of a client-side portal application providing access to a set of services that includes provisions for collaborative tagging of content, the method comprising:

• accessing one or more data repositories configured to maintain one or more separate sets of tags for the user, the sets of tags including a set of tags corresponding to each service of the set of services in each role of one or more user roles;
• providing a vocabulary to the user at a client side agent, the vocabulary being used for tagging content at a user specified service for a user specific role;
• communicating with the user-specified service to post tags selected by the user from the vocabulary to content at the user-specified service, communicating including providing a messaging intermediary in communication with the one or more data repositories and configured to provide access to the one or more data repositories and to provide for communication with the set of services and to transfer message formats and to convert transport protocols between the client side agent and the data repositories.