<http://schema.org/target>
"android-app://com.guardian/http/www.theguardian.com/science/blog/2013/jan/17/open-access-publishing-science-paywall-immoral"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theguardian.com/science/blog/2013/jan/17/open-access-publishing-science-paywall-immoral>