{HEAD ~ The computer} implemented {TAIL ~ method} 1, wherein the step of modifying a set of features associated with the selected user role to form a set of customized features comprises: 
implemented
{ HEAD ~ The computer } implemented { TAIL ~ method } 1 , wherein the step of modifying a set of features associated with the selected user role to form a set of customized features comprises :
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH