Sean McGrath

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Top Stories by Sean McGrath

It sounds so easy. First, get a bunch of people together who share a common need to interchange some type of data - say, invoices. Explain XML to them. Explain the significant technical benefits of having an industry standard schema for invoices. Get technically minded individuals into a room with plenty of whiteboards and caffeine. Sometime later they'll emerge with a consensus model of what it is to be an "invoice" enshrined in some schema language (UML/XML Schema/DTD/RelaxNG/whatever). Thereafter, all interested parties use the schema for data interchange and all is sweetness and light. This makes 100% technical sense but it often doesn't work in the real world. The reasons it doesn't work have nothing to do with flavors of schema language or indeed flavors of markup language. It often doesn't work because of soft issues concerning people. Let's start with Zipf... (more)

E-Government, XML Messaging, and Interoperability

Reach is an agency established by the Government of Ireland to develop a strategy for the integration of public services and to develop and implement the framework for electronic government. In particular, Reach is mandated to procure and build the Public Services Broker (PSB), which is an integrated set of processes, systems and procedures designed to provide a standard means of access to public services Technically speaking, the PSB is a hub based, asynchronous XML messaging infrastructure. Some people would call it a Services Oriented Architecture. Others wouldn't. Anyway, XML ... (more)