<http://schema.org/target>
"android-app://com.guardian/http/www.theguardian.com/books/booksblog/2012/jan/27/what-are-you-reading-today"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theguardian.com/books/booksblog/2012/jan/27/what-are-you-reading-today>