XML Resources

Revised 4/20/2011: updated Python xml.dom link

Revised 1/7/2009: added xmlzoo

Revised 4/16/2009: added Berkely DB XML

The World Wide Web Consortium (W3C) is the authoritative source for all matters relating to XML.
A Gentle Introduction to XML (xmlzoo) (discovered 1/7/2010)
XML Challenges (Wikiversity, discovered 1/7/2010)
The Zvon Organization has many useful tutorials and references.
- Here is one: XML Basics
XML From the Inside Out
Scott Granneman's XML page
XML — Managing Data Exchange, a featured Wikibook

Document Object Model (DOM)

W3C's DOM Level 1 Specification
W3C's DOM Level 2 Core Specification
W3C's DOM Activity Statement, with links to other specifications.
Java 6 API documentation. Key packages include org.w3c.dom, javax.xml.parsers, org.xml.sax, javax.xml, javax.xml.transform, javax.xml.xpath, javax.xml.validation. See also Java API for XML Processing.
Python 3 standard library: xml.dom module

Cascading Style Sheets (CSS)

Document Type Definitions (DTD)

Zvon DTD tutorial

XML Schema

Zvon XML Schema and Relax NG Tutorial

XPath

W3C XML Path Language (XPath) Recommendation

XML Query (XQuery)

W3C XML Query (XQuery) page
Some XQuery processors:
- Oracle Berkeley DBXML
- Saxon (Java-based, with free and commercial versions)
- XQilla, based on Xerces-C
- Google search for python xquery is productive.
XQuery on Wikibooks
Learn XQuery in 10 Minutes
Blooming FLWOR - An Introduction to the XQuery FLWOR Expression (the sequel)
Essential XQuery (tutorial)
Galax is an open-source implementation of XQuery 1.0. There is an online XQuery demo.
eXist is an open source native XML database with XQuery. There is another online XQuery demo.
W3C's list of other XQuery-related products

Extensible Stylesheet Language: Transformations (XSLT)

W3C XSLT Recommendation
XSL Tutorial by Paul Grosso and Norman Walsh
Zvon XSLT Tutorial
Transforming XML with XSLT (Mozilla developer reference)
XSL Frequently Asked Questions
Jeni's XSLT Pages
Gallery of Stupid XSL/XSLT Tricks
XSL-List (mailing list)
XSLT as a functional programming language
More functional XSLT programming

Database Integration

MonetDB supports both SQL and XQuery
Oracle Berkely DB (discovered 4/16/2009) is an open-source embeddable (i.e., non-client-server) database system with XML support, including XQuery. There is a Haskell binding for Berkeley DB XML.

Resource Description Framework (RDF)

This section might move to another page, since RDF is not necessarily tied to XML (it has an XML syntax, but there are other choices).

Joshua Tauberer's Quick Intro to RDF
Joshua Tauberer's RDF in Depth
Practical Resource Description Framework (RDF)
Ian Davis, An Introduction to RDF (HTML slides)
SchemaWeb is a directory of RDF schemas.