{HEAD ~ The process} of checking for {TAIL ~ secondary correlations}, as mentioned above, may include calculating a threshold, in each iteration, in respect to the frequency values of all trackers 
of checking for
{ HEAD ~ The process } of checking for { TAIL ~ secondary correlations } , as mentioned above , may include calculating a threshold , in each iteration , in respect to the frequency values of all trackers
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH