Sponge Your Google+ Profile

An API key is required for the Google+ cartridge, but one hasn't been configured.
Please refer to Sponger Setup

• URIBurner.com
  A service that delivers RDF-based structured descriptions of Web addressable resources (documents or real world objects)
• OpenLink Data Explorer (ODE)
  A browser extension for viewing Linked Data Sources
• OpenLink AJAX Toolkit (OAT)
  A JavaScript-based toolkit for browser-independent Rich Internet Application development