Articles on XML by Norman Walsh
Numerous articles about XML, including many on the DocBook DTD for documents.
Comparison of SGML and XML
This W3C discussion paper outlines the differences between SGML and XML.
How to Find the Best XML Server
What to look for when choosing methodologies and software.
Introduction to XML For Web Developers
Making a well-formed XML document valid by using a DTD. (Selena Sol)
Louis Jean-Richard: Case Studies and Reports
Case Studies & Reports within Information Technologies section article "First steps with XML: extending HTML via XSLT"
OK, So What Is This XML Thing?
David C. Hay's discusses HTML and its counterpart, what it can and cannot do.
XML - What's in it for us
This irt.org article presents a brief overview of XML, including its background, applications, and future. (Janus Boye)
XML and Java: The Perfect Pair
A close look at XML software, focusing strictly on products and tools written in Java because XML and Java are two technologies which make a "perfect pair". (Ken Sall / WDVL)
XML and the IT Architect
Introductory article in Sunworld, with emphasis on how XML affects systems architecture.