<http://schema.org/target>
"android-app://com.guardian/https/www.theguardian.com/voluntary-sector-network/2012/mar/05/global-tweet-chat-charity-worldwide-audience"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.theguardian.com/voluntary-sector-network/2012/mar/05/global-tweet-chat-charity-worldwide-audience>