<http://schema.org/dateCreated>
"2010-03-04T15:21:10Z"^^<http://schema.org/Date>
<http://hiphopwired.com/2010/03/04/hhwired-exclusive-styles-p-finds-release-date-for-%E2%80%9Cinvincible%E2%80%9D-rapper-to-author/>