TopicSpace topicSpace0 = m_topicSpaceSet.addTopicSpace( new TopicSpaceImpl( "" ) );
topicSpace0.addTopic( "celebs" );
TopicSpace topicSpace1 = m_topicSpaceSet.addTopicSpace( new TopicSpaceImpl( NSURI1 ) );
Topic sportsTopic = topicSpace1.addTopic( "sports" );
Topic tennisTopic = sportsTopic.addTopic( "tennis" );
tennisTopic.addTopic( "college" );
Topic footballTopic = sportsTopic.addTopic( "football" );
footballTopic.addTopic( "college" );
Topic gamesTopic = topicSpace1.addTopic( "games" );
gamesTopic.addTopic( "monopoly" );
gamesTopic.addTopic( "chess" );