1. A computer-accessible, non-transitory, storage medium encoded with computer-readable instructions configured to cause one or more data processing apparatus to: identify at least one user interface (UI) component associated with a particular work center, wherein the particular work center is a collection of UI components, and wherein particular UI components of the collection of UI components are available to a user for the particular business area based on the user's role or authorized level of access associated with the particular business area; collect modeling information from the at least one identified UI component associated with the particular work center associated with a particular business area; integrate the collected modeling information into a UI integration model associated with the work center; and store the UI integration model associated with the particular work center.