<http://schema.org/pub_year>
"2012"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://mashable.com/2012/12/23/ipad-magician-simon-pierro-christmas/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Mashable+%28Mashable%29>