I am also available for short-term consultancy and contract work. My Curriculum Vitae is available here in PDF. My Open Source Report Card.

Collaboratively Defining Open Standards for Portable XPath Extensions. XPath-based languages like XQuery, XSLT, and XProc, are great. The XPath recommendation provides a foundation for writing expressions that evaluate the same way in a lot of processors, written in different languages, running in different environments, in XML databases, in in-memory processors, in servers or in clients. And the more recent EXQuery. The easiest way to improve XPath is by defining extension functions.

Thursday, January 10, 2013. I should have written this a long time ago, but I had so much trouble putting code examples on this Blogger blog that I switched over to Posterous. Sunday, May 24, 2009. Weather Data on the Web. First the inshore waters forecast. Lands End to St Davids Head including the Bristol Channel. Slight becoming moderate later in southwest.

Summer School is a unique event for everyone using, designing or implementing solutions using XML. The philosophy guiding the school is to help delegates learn at the boundary of proven technology; teaching proven techniques guarantees that delegates can use what they learn when they go back to the office. From beginners to experts, everyone finds something to challenge them at the XML.