<http://schema.org/interactionType>
"http://schema.org/CommentAction"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2013/05/15/tech-cocktail-raises-2-5m-from-zappos-ceo-tony-hsiehs-downtown-project-for-its-tech-publication/>