A key part of our proposal is the concept of service refinement, a combination of service composition, and policy refinement which involves refining a higher level service specification into an integrated composite of lower level services.
As an alternative, techniques such as Policy-Based Network Mandgemore (PBNM) and more specifically policy refinement can be used by operators to write Service Level Agreements (SLAs) in a user-friendly interface without the need to manually reconfigure each network device.
The principal challenge now is delivery, not further policy refinement".
Policy refinement is usually defined as the process of deriving low-level enforceable technology-oriented policies from high-level business-oriented goals or guidelines [6].
Although policies are intrinsically related to services and the problems of policy refinement and service composition are similar, proposals to address both problems together are not common.
A typical methodology for policy refinement is the process of incremental decomposition, wherein at each refinement step (level), the generated policies are checked against the requirements of the policies from previous step for correctness and consistency.
The service creation approaches we developed are based on the service refinement cycle, which has been designed as part of a project involving the concepts of service composition and policy refinement.
Eight recommendations for effective policies on communication of abnormal diagnostic test results were developed based on policy refinement at the Michael E. DeBakey Veterans Affairs Medical Center (Houston), institutional experience with test result management, and findings from research performed locally and elsewhere.
Future research will be imperative, and future waves of SAGE will be an ideal conduit for policy refinement, as well as support for the monitoring and evaluation of health programming for the elderly.
"Whether through continued modifications of our tournament admissions policy, or further refinements of our Internet presentation, once again, we intend to lead".
