wherein {HEAD ~ the similarity measurement} for an ith speaker identity candidate is {TAIL ~ a dot product} defined as: 
is
wherein { HEAD ~ the similarity measurement } for an ith speaker identity candidate is { TAIL ~ a dot product } defined as :
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH