<http://schema.org/mainEntityOfPage>
<http://blogs.wsj.com/dailyfix/2012/01/26/australian-open-the-rafael-nadal-buzzsaw-strikes-roger-federer-again/>
<http://blogs.wsj.com/dailyfix/2012/01/26/australian-open-the-rafael-nadal-buzzsaw-strikes-roger-federer-again/>