In the method, a specification of the target web site is received, and {HEAD ~ a number} of {TAIL ~ field web sites} related to the target web site are identified 
of
In the method , a specification of the target web site is received , and { HEAD ~ a number } of { TAIL ~ field web sites } related to the target web site are identified
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 OTH OTH OTH OTH OTH OTH OTH