<http://schema.org/target>
"android-app://com.guardian/http/www.theguardian.com/commentisfree/2013/jan/13/price-to-be-paid-cheap-food"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theguardian.com/commentisfree/2013/jan/13/price-to-be-paid-cheap-food>