<http://schema.org/datePublished>
"2015-07-06T12:22:49Z"^^<http://schema.org/Date>
<https://en-us.help.blackboard.com/Learn/9.1_Older_Versions/9.1_SP_12_and_SP_13/Instructor/070_Course_Content/Best_Practice%3A_Reduce_Your_Course_Size>