The title of this article is quite a mouthful, and three very complex and broadly-scoped disciplines mashed together. But that's what's happening all over, isn't it, driven by consumer demand on their iPhones - mashing and manipulating information that's managed to leak through the risk-adverse, highly-regulated mantle of the government's secure data cocoon, and instantly sharing it for further rendering, visualization or actual, productive use. Mostly a "pull" style information flow, at best constrained or abstracted by public sector Enterprise Architecture (EA) methods and models - at worst, simply denied. This demand for open data, however, is rapidly exposing both opportunities and challenges within government information-sharing environments, behind the firewall - in turn a fantastic opportunity and challenge for the Enterprise Architects and Data Management organizations. The recent " Open Data Policy " compels US Federal agencies to make a...