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