In the reputation parameter group, the prime parameter is customer recognition and the parameter set is {HEAD ~ a set} of {TAIL ~ customer impression parameters}  
In the reputation parameter group , the prime parameter is customer recognition and the parameter set is { HEAD ~ a set } of { TAIL ~ customer impression parameters }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH