<http://schema.org/keywords>
"Call of Duty: Black Ops II"^^<http://www.w3.org/2001/XMLSchema#string>
<http://blogs.wsj.com/speakeasy/2012/11/13/what-critics-are-saying-about-call-of-duty-black-ops-2-review-revue/?mod=WSJBlog&mod=WSJ_ArtsEnt_Speakeasy>