<http://schema.org/target>
"android-app://com.guardian/http/www.theguardian.com/politics/2009/feb/03/boris-johnson-ken-livingstone-snow-london"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theguardian.com/politics/2009/feb/03/boris-johnson-ken-livingstone-snow-london>