<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.digitalspy.com/tv/doctor-who/news/a462763/john-barrowman-urges-caution-about-doctor-who-50th-role-stay-calm/>