<http://schema.org/headline>
"Study: Uncontrolled hypertension is common "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2013/09/05/Study-Uncontrolled-hypertension-is-common/UPI-88081378360150/?spt=hs&or=hn>