<http://schema.org/interactionType>
"http://schema.org/ShareAction"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2012/06/27/airbnb-launches-wish-lists-for-bookmarking-all-of-the-places-youd-like-to-stay/wishlists/>