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