Also, it should be understood that the links and contents of potential field web sites are taken into consideration when performing a comparative analysis with the target web site to identify {HEAD ~ field web sites} to be used in {TAIL ~ the data analysis} 
to be used in
Also , it should be understood that the links and contents of potential field web sites are taken into consideration when performing a comparative analysis with the target web site to identify { HEAD ~ field web sites } to be used in { TAIL ~ the data analysis }
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