<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/PeopleAudience>
<http://books.simonandschuster.com/Steve-Jobs/Walter-Isaacson/9781451648539?intcmp=l_fl&cp_type=l_fl_books_detail_the%20other%20america_michael%20harrington_trade%20paperback_9780684826783&prefd=l_fl_9781451648539>