<http://schema.org/description>
"At SXSW today, Parse co-founder and CEO Ilya Sukhar announced Facebook's F8 conference will be held this year on April 30 at the San Francisco Design Concourse. That the announcement ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2014/03/08/three-years-later-facebook-bringing-back-f8-developer-conference-april-30/>