<http://schema.org/pub_day>
"13"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://mashable.com/2013/10/13/7-apps-you-dont-want-miss/?utm_campaign=Mash-Prod-RSS-Feedburner-Mobile-Partial&utm_cid=Mash-Prod-RSS-Feedburner-Mobile-Partial&utm_medium=feed&utm_source=rss>