The online web site analysis tool is defined to perform data mining operations on {HEAD ~ the search engine usage logs} to find/identify {TAIL ~ the field web sites} associated with the target web site 
The online web site analysis tool is defined to perform data mining operations on { HEAD ~ the search engine usage logs } to find / identify { TAIL ~ the field web sites } associated with the target web site
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH