For example, in one embodiment, the data inputs of the online web site analysis tool are the Yahoo! search logs, which provide usage information about {HEAD ~ each web site} within a population of web sites that are accessible through {TAIL ~ the Yahoo! search engine} 
For example , in one embodiment , the data inputs of the online web site analysis tool are the Yahoo ! search logs , which provide usage information about { HEAD ~ each web site } within a population of web sites that are accessible through { TAIL ~ the Yahoo ! search engine }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL