<http://schema.org/headline>
"Mona Lisa might be a Chinese slave, suggests Italian historian"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/art-and-culture/mona-lisa-might-be-a-chinese-slave-suggests-italian-historian/story-awdLJ11WLVLgAHaqBVLfKM.html>