<http://wallenstreetjournal.blogspot.com/2007/04/it-is-nice-to-sightsee-with-friend.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wallenstreetjournal.blogspot.com/2007/04/it-is-nice-to-sightsee-with-friend.html>