<http://schema.org/target>
"android-app://com.guardian/http/www.theguardian.com/uk/gallery/2013/jan/13/london-underground-steam-train-anniversary-150th"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theguardian.com/uk/gallery/2013/jan/13/london-underground-steam-train-anniversary-150th?view=mobile>