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