<http://schema.org/keywords>
"news"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2011/04/25/storify-public-beta/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A%20Mashable%20%28Mashable%29&utm_content=Google%20International>