<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/InteractionCounter>
<http://thenextweb.com/asia/2012/01/12/china-mobile-app-store-hits-149m-users-sees-30m-downloads-per-month/?awesm=tnw.to_1Cm9y>