<http://schema.org/target>
"android-app://com.guardian/http/www.theguardian.com/tv-and-radio/gallery/2011/jun/28/blue-peter-picture-gallery"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theguardian.com/tv-and-radio/gallery/2011/jun/28/blue-peter-picture-gallery?picture=376227900>