<http://schema.org/target>
"android-app://com.guardian/http/www.theguardian.com/news/gallery/2012/dec/12/24-hours-pictures-gallery"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theguardian.com/news/gallery/2012/dec/12/24-hours-pictures-gallery?picture=400957223>