<https://secure.gravatar.com/avatar/d33a4729c79940a9bd898f92d4f8beff?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kazuko-henkin.com/good-side_business/zyosei-hukugyo/>