@prefix : <#>.
@prefix ui: <http://www.w3.org/ns/ui#>.
@prefix bk: <http://www.w3.org/2002/01/bookmark#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.

:OpenCultureBrowser
  a bk:Topic, ui:BookmarkTree;
  ui:labelTerm rdfs:label;
  ui:topicTerm bk:subTopicOf;
  ui:itemTerm bk:hasTopic;
  rdfs:label "Open Culture Browser".

<images.ttl#Art> bk:subTopicOf :OpenCultureBrowser.
<images.ttl#More> bk:subTopicOf :OpenCultureBrowser.
<music.ttl#Music> bk:subTopicOf :OpenCultureBrowser.
<movies.ttl#Movies> bk:subTopicOf :OpenCultureBrowser.

:audiobooks bk:subTopicOf :OpenCultureBrowser.
:audiobooks a bk:Topic; rdfs:label "Spoken Word".

<poetry.ttl#poetry> bk:subTopicOf :audiobooks.
<fiction.ttl#fiction> bk:subTopicOf :audiobooks.
<society.ttl#society> bk:subTopicOf :audiobooks.