An embodiment of the invention is a method for providing services to a user. The method includes receiving a request from a user for content and obtaining a user preference defining at least one of a modality preference, a paradigm preference and a service preference. Content is accessed including markup tags associating said content with the user preference. Processes identified with a process markup tag associating said processes with said user preference are executed and the order of processes is dependent on the user preference. Content having markup tags corresponding to the user preference is retrieved and provided to the user.