<http://back-to-books.blogspot.com/2012/12/326-07-ghost-by-yuki-amemiya.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://back-to-books.blogspot.com/2012/12/326-07-ghost-by-yuki-amemiya.html>