<http://schema.org/events>
"event54,event61,event62,event63,event64"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2014/01/19/facebook-news-feed-curation/?_tmc=YQaMEB0Q6BRgohnwZA94LmO2O-nzLpzN63mCPrtKRRU>