The illustrative embodiment provides a computer implemented method, a data processing system, and {HEAD ~ a computer program product} for managing {TAIL ~ user roles} 
for managing
The illustrative embodiment provides a computer implemented method , a data processing system , and { HEAD ~ a computer program product } for managing { TAIL ~ user roles }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL