<https://community.fiverr.com/forums/topic/256994-rating-affect-our-buyer-request/#comment-1573243>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://community.fiverr.com/forums/topic/256994-rating-affect-our-buyer-request/?tab=comments#comment-1571656>