<http://schema.org/topics>
"apps-and-software,Apps and Software,crowdsourcing,Dev &amp; Design,innovation,open data,open government,Politics,Social Good,todd park,Uncategorized,U.S.,World"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/06/13/crowdsourcing-government/>