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Now I have seen everything! - Context-free XML

By Rick Jelliffe
September 30, 2009

I have always thought the context-senstive { a^n, b^n, c^n: n >=1} s was a kind of theoretical construct that you would never see in a real-life XML document. Today, I have actually seen one!

Converting XML Schemas to Schematron (#16): XML Schema Test Suite results for beta 0.5 - The suite smell of success?

By Rick Jelliffe
August 6, 2009

Paul Hermans has kindly set up a process (I believe an XProc pipeline using Calabash and SAXON 9) to test the XML Schema to Schematron converter I have been documenting in this blog over the last few years. Here are some results.

Conformance in the floating world

By Rick Jelliffe
May 26, 2009

This article looks at some trends and challenges for document validation. The challenges come in two classes: first, raw capabilities for lifecycle support for standards; second, coping with transitions from technologies defined by implementation to technologies defined by standards with the necessary agility.

Slides from "What Publishers Need to Know about Digitization" Webcast

By Liza Daly
November 13, 2008

Slides from the "What Publishers Need to Know about Digitization" webcast.

anyURI and linking in XML

By Bryan Rasmussen
July 2, 2008

XML Schema could be used to identify nodes in the document as only holding anyURI values. The drawback is that identifying something as an anyURI does not specify it will be used as a link. The other drawback is there are a lot of schemas out there were link elements should have been identified as being of type anyURI where they are still of type string.

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