<http://schema.org/target>
"android-app://com.guardian/https/www.theguardian.com/artanddesign/jonathanjonesblog/2012/mar/29/rembrandt-old-age"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.theguardian.com/artanddesign/jonathanjonesblog/2012/mar/29/rembrandt-old-age>