<http://lostcoastpost.blogspot.com/2014/04/notes-from-my-sabbatical-weeks-9-10.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://lostcoastpost.blogspot.com/2014/04/notes-from-my-sabbatical-weeks-9-10.html>