Probe match scores are clustered, and templates that correspond to {TAIL ~ clusters} having top M probe match scores are compared with {HEAD ~ the prototypes} to obtain template prototype match scores 
Probe match scores are clustered , and templates that correspond to { TAIL ~ clusters } having top M probe match scores are compared with { HEAD ~ the prototypes } to obtain template prototype match scores
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH