<http://schema.org/keywords>
"\u00E2\u0080\u009Clife on mars\u00E2\u0080\u009D (graywolf[[zzsemicolonzz]] $15)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.newyorker.com/magazine/2011/08/08/other-worlds>